Products

Product Overview Upgrade your fuel system with genuine Festo 4mm OD clear tubing, engineered for precision and reliability in RC gas turbine jets. The PUN-H-4x0.75-NT fuel line offers excellent flexibility, durability, and visibility—making it ideal for kerosene fuel systems, UAT connections, and fuel routing in turbine aircraft. Sold by the foot, this tubing allows you to customize lengths for clean, efficient installations without excess waste. Key Features of Festo 6mm Fuel Line Precision 4mm Outer Diameter Perfect fit for standard RC turbine fuel systems and Festo push-to-connect fittings. Clear Tubing for Visual Monitoring Transparent design allows easy inspection of fuel flow, air bubbles, and contamination Flexible & Durable Construction Designed for tight routing in compact turbine fuselages without kinking Sold by the Foot Order exactly what you need for custom installations and reduce material waste Genuine Festo Quality Trusted industrial-grade tubing known for consistency and long service life Benefits for RC Turbine Jet Applications Quickly identify air bubbles or fuel flow interruptions Improve maintenance and troubleshooting efficiency Ensure secure connections with Festo fittings and fuel accessories Optimize fuel system layout with custom cut lengths Reduce failure risk in high-performance turbine environments Technical Specifications Brand: Festo Part Number: PUN-H-4x0.75-NT (197376) Outer Diameter: 4 mm Color: Clear / Transparent Material Type: Polyurethane tubing Application: RC turbine jet fuel systems Length: Sold by the foot Why Use Clear Fuel Line in RC Turbine Jets? Clear fuel tubing is essential for safe and reliable turbine operation. It allows pilots and builders to visually confirm proper fuel delivery, detect trapped air, and diagnose issues before they lead to engine performance problems. For high-value turbine aircraft, visibility and reliability are critical—and this tubing delivers both.

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The Festo 6mm Ball Valve Mount is designed to securely hold Festo 6 mm ball valves in place within RC gas turbine jet aircraft. Built for clean and dependable installations, this mount helps organize fuel systems while reducing valve movement caused by vibration and flight loads. The mount can be installed using adhesive, screws, or a combination of both for maximum flexibility. The valve is secured to the mount using the included zip ties, creating a simple and reliable retention system for RC turbine jet fuel applications. Key Features Designed for Festo 6 mm Ball Valves Specifically engineered to fit and secure Festo 6 mm ball valves used in RC turbine fuel systems. Flexible Mounting Options The mount can be glued, screwed, or both depending on the aircraft layout and installation preference. Secure Zip Tie Retention Includes two zip ties to firmly hold the valve in place during high-vibration operation. Clean and Compact Installation Helps create organized fuel system layouts while improving accessibility and maintenance. Benefits for RC Turbine Jets This valve mount provides a dependable solution for securing fuel shutoff valves in RC turbine aircraft. Its lightweight and compact design allows installation in tight fuselage spaces while helping maintain a professional and serviceable fuel system layout. Specifications Compatibility: Festo 6 mm ball valvesMounting Options: Glue or screw installationRetention Method: Included zip tiesApplication: RC turbine jet fuel systemsValve Included: No Ideal Applications Perfect for RC turbine jet aircraft, fuel shutoff systems, smoke systems, and other applications requiring secure mounting of Festo 6 mm valves in compact aircraft installations. Available in Black, Gray, and Red. Contact us for additional color options.

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The Festo 6mm Barbed Tee Fitting T-PK-4 is a compact and dependable connector designed for precise fuel and fluid routing in RC turbine jet aircraft. Built for use with 6 mm OD Festo tubing and compatible fuel line, this fitting provides secure fuel system connections for high-performance RC jet applications. Key Features 6 mm Barbed Tee Design Features three 6 mm barbed connections for clean and efficient fuel line routing in compact RC aircraft installations. Secure Fuel Line Connection The barbed fitting design provides a reliable grip on tubing and is ideal for use with safety wire to improve connection security during operation. Genuine Festo Engineering Manufactured by Festo for consistent performance and long-term durability in demanding RC turbine jet environments. Benefits for RC Turbine Jets This tee fitting helps simplify fuel system layouts while maintaining secure and dependable tubing connections. Its compact size allows easy installation in confined fuselage spaces, while the barbed design minimizes the risk of tubing movement under vibration and fuel flow conditions. Specifications Brand: FestoModel: T-PK-4Part Number: 9585Type: Barbed Tee FittingConnection Size: 6 mm barbed fittingsApplications: RC jet fuel systems, fuel tubing routing, smoke systems, pneumatic and fluid transfer systems Ideal Applications Festo 6mm Barbed Tee Fitting T-PK-4 is Perfect for RC turbine jet aircraft fuel systems, smoke oil systems, fuel tank plumbing, and other fluid routing applications requiring secure 6 mm tee connections in compact aircraft layouts.

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The Festo 6mm Fuel Filter from Approach RC Concepts is a high-quality inline fuel filter designed specifically for RC gas turbine jets and airplanes. Engineered to help maintain clean and reliable fuel flow, this filter helps protect turbine fuel systems from contamination, debris, and clogs that can negatively impact engine performance and reliability. With a 6mm fuel line connection size, this compact inline filter integrates easily into most RC turbine fuel systems and is ideal for both new builds and existing aircraft upgrades. Clean Fuel Flow for RC Turbine Aircraft Contaminated fuel systems can lead to reduced turbine performance, clogged fuel components, and increased maintenance issues. The Festo 6mm Fuel Filter helps trap dirt and debris before they reach sensitive turbine components, supporting smoother operation and improved long-term reliability. Perfect for: RC gas turbine jets Sport and scale RC airplanes Kerosene and turbine fuel systems Professional turbine aircraft builds Key Features of the Festo 6mm Fuel Filter Inline Fuel Filtration Helps remove dirt and debris from turbine fuel systems Supports clean and consistent fuel delivery Helps reduce contamination-related fuel system issues Designed for 6mm Fuel Lines Compatible with standard 6mm fuel tubing systems Ideal for Festo fuel line installations Easy integration into existing fuel layouts Reliable Festo Quality Precision-engineered for dependable performance Durable construction for long-term turbine use Trusted Festo fuel system component Compact & Easy to Install Small inline design fits easily into compact fuselage spaces Simplifies fuel system routing and maintenance Ideal for clean and organized installations Benefits for RC Turbine Jet Builders Improved Fuel System Reliability Helps protect turbine systems from contamination and clogged fuel components. Cleaner Turbine Operation Supports smoother fuel flow and more consistent engine performance. Reduced Maintenance Issues Helps minimize dirt and debris entering sensitive turbine fuel components. Perfect for Turbine Applications Designed specifically for the demands of RC turbine aircraft fuel systems. Recommended Accessory For a clean and secure installation, pair this filter with our: Festo Filter Mount Designed to securely position the filter within your RC turbine aircraft while improving fuel system organization and accessibility. Specifications Model VAF-PK-4 (15889) Fuel Line Compatibility 6mm fuel line systems Application RC gas turbine jet fuel systems Why Choose Approach RC Concepts At Approach RC Concepts, we specialize in premium RC turbine jet fuel system components designed for builders who demand: Reliable fuel delivery Clean aircraft organization Professional-grade components Long-term turbine system performance Protect your fuel system today with the Festo 6mm Fuel Filter and keep your RC turbine jet running clean, reliable, and flight-ready. For mounting the filter, may we suggest our Festo Filter Mount.

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The Festo 4mm Push Connector QS-4 153031 is a compact, reliable push-fit connector designed for RC jet fuel systems, delivering quick and secure attachment for 4mm fuel lines. Built for hobbyists and professionals who value dependable performance in demanding RC applications. Features Compatibility: 4mm fuel lines designed for RC jet systems Push-fit design for fast, tool-free installation Product: QS-4 153031 from Festo Durable construction suited for RC fuel environments Compact form factor for tight installations Benefits Provides a secure, leak-resistant connection that stays in place under vibration and flight conditions, helping maintain consistent fuel delivery to your RC jet engine. The push-to-connect mechanism reduces assembly time and simplifies maintenance, so you can focus on performance and enjoyment. As a trusted Festo component, the QS-4 153031 ensures compatibility with standard 4mm lines and supports reliable, repeatable connections in demanding setups.

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Product Overview Upgrade your fuel system with genuine Festo 6mm OD clear tubing, engineered for precision and reliability in RC gas turbine jets. The PUN-H-6X1-NT fuel line offers excellent flexibility, durability, and visibility—making it ideal for kerosene fuel systems, UAT connections, and fuel routing in turbine aircraft. Sold by the foot, this tubing allows you to customize lengths for clean, efficient installations without excess waste. Key Features of Festo 6mm Fuel Line Precision 6mm Outer Diameter Perfect fit for standard RC turbine fuel systems and Festo push-to-connect fittings. Clear Tubing for Visual Monitoring Transparent design allows easy inspection of fuel flow, air bubbles, and contamination Flexible & Durable Construction Designed for tight routing in compact turbine fuselages without kinking Sold by the Foot Order exactly what you need for custom installations and reduce material waste Genuine Festo Quality Trusted industrial-grade tubing known for consistency and long service life Benefits for RC Turbine Jet Applications Quickly identify air bubbles or fuel flow interruptions Improve maintenance and troubleshooting efficiency Ensure secure connections with Festo fittings and fuel accessories Optimize fuel system layout with custom cut lengths Reduce failure risk in high-performance turbine environments Technical Specifications Brand: Festo Part Number: PUN-H-6X1-NT (197377) Outer Diameter: 6 mm Color: Clear / Transparent Material Type: Polyurethane tubing Application: RC turbine jet fuel systems Length: Sold by the foot Why Use Clear Fuel Line in RC Turbine Jets? Clear fuel tubing is essential for safe and reliable turbine operation. It allows pilots and builders to visually confirm proper fuel delivery, detect trapped air, and diagnose issues before they lead to engine performance problems. For high-value turbine aircraft, visibility and reliability are critical—and this tubing delivers both.

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Mount for Festo 4mm and 6mm fuel/vacuum filters. Filter snaps into the mount. Mount may be glued or screed into place. The mount is designed to securely fix the filter to any rc gas turbine aircraft. Designed to work with 4mm and 6mm Festo filters. Available in Black, Gray, and Red. Contact us for additional color options.

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The Festo H-QS-4 4mm check valve is a compact one-way valve designed to provide reliable fuel flow control in RC turbine jet aircraft. Engineered to prevent fuel backflow, this valve helps maintain consistent fuel delivery to your turbine engine while protecting critical fuel system components such as pumps, turbines, and fuel management systems. Key Features One-Way Fuel Flow Protection The H-QS-4 check valve prevents reverse fuel flow, helping maintain stable fuel system operation and protecting sensitive turbine components. Compatible with 4 mm Fuel Tubing Designed for use with standard 4 mm RC fuel tubing commonly found in RC turbine jet fuel systems. Push-to-Connect Installation Features Festo’s convenient push-in connection design for fast, secure installation with clean and organized tubing layouts. Compact and Lightweight Design Its compact form factor makes it ideal for tight fuselage installations and streamlined fuel system routing. Benefits for RC Turbine Jets The Festo H-QS-4 helps improve fuel system reliability by maintaining proper one-way fuel flow throughout the aircraft. Its durable construction and dependable sealing performance help reduce the risk of fuel system issues during operation while simplifying installation and maintenance. Durable Festo Engineering Manufactured to Festo’s industrial-quality standards, the H-QS-4 delivers long-lasting durability and consistent performance in demanding RC turbine jet environments. Ideal for both new aircraft builds and fuel system upgrades. Specifications Brand: FestoModel: H-QS-4Type: One-way check valveTubing Compatibility: 4 mm fuel tubingConnection Style: Push-to-connectApplication: RC turbine jet fuel systems Ideal Applications Perfect for RC turbine jet aircraft, fuel delivery systems, turbine fuel management setups, smoke systems, and other fluid routing applications requiring reliable one-way flow control.            

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The Festo QH-QS-4 4mm Ball Valve (153483) is a precision fuel-control valve engineered for RC turbine jet aircraft. Designed to provide reliable and repeatable fuel management, this compact valve delivers the consistent fuel flow and control required for high-performance RC jet engines. Built for use with standard 4 mm fuel lines, the QH-QS-4 offers smooth operation, dependable shut-off capability, and easy integration into RC turbine fuel systems. Key Features Precision Ball Valve Design The ball valve mechanism provides accurate and repeatable fuel flow control for RC turbine jet fuel systems. Compatible with 4 mm Fuel Lines Designed for seamless integration with standard 4 mm RC fuel tubing and fuel system layouts. Compact and Lightweight Construction Its compact size makes it ideal for tight fuselage installations without adding unnecessary weight. Durable Festo Engineering Manufactured using durable materials suited for common RC turbine fuels and demanding operating environments. Compatible with Festo Valve Mounts Works with dedicated Festo ball valve mounts for secure and professional installations. Benefits for RC Turbine Jets The QH-QS-4 helps maintain stable and consistent fuel delivery, supporting reliable engine performance and predictable throttle response during demanding flight conditions. Its precision flow control minimizes fuel-system fluctuations while simplifying installation and maintenance. Specifications Brand: FestoModel: QH-QS-4Part Number: 153483Valve Size: 4 mmType: Ball valveApplication: RC turbine jet fuel systemsCompatibility: Standard 4 mm fuel lines and Festo valve mounts Ideal Applications Perfect for RC turbine jet aircraft, fuel shutoff systems, turbine fuel management, smoke systems, and other applications requiring reliable 4 mm fuel flow control and shut-off functionality. Take a look at our Festo valve mounts here.

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The Festo QH-QS-6 6mm Ball Valve is a precision fuel management component designed for RC turbine jet aircraft. Engineered to provide dependable shut-off and flow control, this valve helps RC jet pilots maintain reliable fuel system performance during operation, testing, and maintenance. Built for use with 6 mm fuel tubing, the QH-QS-6 delivers smooth and precise fuel flow control for high-performance RC turbine engines. Key Features Precision Fuel Flow Control The ball valve design provides accurate shut-off and fuel flow management for RC turbine jet fuel systems. Compatible with 6 mm Fuel Tubing Designed for seamless integration with standard 6 mm RC fuel system tubing and fittings. Reliable Festo Engineering Manufactured by Festo for dependable operation, long-lasting durability, and consistent performance in demanding RC turbine environments. Optional Mounting Solution Available Compatible with the optional Festo Ball Valve Mount QH-QS-6 (153484) for clean and secure installations. Benefits for RC Turbine Jets The QH-QS-6 ball valve supports stable engine operation and predictable throttle response by maintaining precise fuel control throughout the system. Its compact design allows easy installation in tight fuselage layouts while providing reliable shut-off functionality for fueling, maintenance, and flight preparation. Specifications Brand: FestoModel: QH-QS-6Type: Ball valveTubing Compatibility: 6 mm tubingApplication: RC turbine jet fuel systemsOptional Mount: Ball Valve Mount QH-QS-6 (153484) Ideal Applications Perfect for RC turbine jet aircraft, fuel shutoff systems, turbine fuel management, smoke systems, and other applications requiring reliable 6 mm fuel flow control and shut-off capability.

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The Festo QS-6 6mm Push Connector is designed for secure and reliable fuel line connections in RC turbine jet aircraft. Engineered specifically for use with 6 mm fuel tubing, this connector provides a simple and dependable solution for joining fuel lines within RC jet fuel systems. Its push-to-connect design allows fast installation while maintaining a clean and professional fuel system layout. Key Features Designed for 6 mm Fuel Tubing Compatible with standard 6 mm RC fuel line and Festo tubing commonly used in turbine jet fuel systems. Push-to-Connect Installation The Festo push-in connection design enables quick assembly and secure tubing retention without complicated tools or fittings. Compact and Lightweight Design Its compact inline configuration fits easily into tight fuselage spaces and organized fuel system layouts. Genuine Festo Quality Manufactured by Festo for dependable performance and long-lasting reliability in demanding RC turbine applications. Benefits for RC Turbine Jets The QS-6 connector simplifies fuel line installation and maintenance by providing a secure and efficient inline connection. Its reliable push-fit design helps reduce installation time while supporting clean fuel routing and dependable fuel system performance. Specifications Brand: FestoModel: QS-6Part Number: 153032Type: Push connector / inline tubing connectorTubing Compatibility: 6 mm fuel tubingConnection Style: Push-to-connectApplication: RC turbine jet fuel systems Ideal Applications Perfect for RC turbine jet aircraft, fuel system plumbing, smoke systems, pneumatic tubing layouts, and other applications requiring secure inline connections for 6 mm fuel lines.

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The Festo QS-6-4 Push Connector is a compact and reliable fuel-line reducer designed for clean and efficient tubing transitions in RC aircraft fuel systems. Engineered to reduce 6 mm tubing down to 4 mm tubing, this push-fit connector provides secure fuel line connections while simplifying fuel system layouts. Its compact design and quick-connect installation make it ideal for builders and pilots who need dependable fuel routing in tight aircraft spaces. Key Features 6 mm to 4 mm Fuel Line Reduction Designed to securely connect and reduce: 6 mm fuel tubing to 4 mm fuel tubing for clean fuel system transitions. Push-to-Connect Installation The Festo push-fit design allows quick, tool-free installation while maintaining dependable tubing retention. Genuine Festo QS-6-4 Connector Model QS-6-4, part number 153037, manufactured by Festo for reliable long-term performance. Compact and Lightweight Design The space-saving construction fits easily into tight fuselage layouts and compact equipment bays. Benefits for RC Fuel Systems The QS-6-4 simplifies fuel system plumbing by reducing the need for multiple adapters and complicated tubing transitions. Its secure push-fit connections help maintain organized fuel routing while supporting reliable fuel delivery and easier maintenance access. Specifications Brand: FestoModel: QS-6-4Part Number: 153037Connection Type: Push connector / tubing reducerTubing Compatibility: 6 mm to 4 mmInstallation Style: Push-to-connectApplication: RC fuel systems Ideal Applications Perfect for RC fuel systems, smoke systems, fueling stations, pneumatic routing, and other applications requiring reliable 6 mm to 4 mm tubing reduction and connection. Simplify Your Fuel System Installation Choose the Festo QS-6-4 Push Connector for clean tubing transitions, dependable fuel line retention, and professional-quality fuel system routing in your RC aircraft.

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The Festo QSC-4 4mm Push Cap is a compact and reliable solution for sealing fuel lines in RC turbine jet aircraft. Designed for use with 4 mm fuel tubing, this push cap securely seals disconnected or unused fuel lines while allowing quick attachment and removal during routine maintenance. Its simple push-on design makes it an essential accessory for keeping RC jet fuel systems clean, protected, and easy to service. Key Features Designed for 4 mm Fuel Lines Compatible with standard 4 mm RC turbine jet fuel tubing and pneumatic line systems. Quick Push-On Installation The push cap can be attached and removed quickly without tools, simplifying maintenance and fuel system servicing. Genuine Festo QSC-4 Component Model QSC-4, part number 153262, manufactured by Festo for dependable performance and durability. Compact and Lightweight Its compact design fits easily into tight fuselage layouts without adding unnecessary bulk. Benefits for RC Turbine Jets The QSC-4 push cap helps prevent fuel leaks and contamination when fuel lines are disconnected or not in use. It supports cleaner maintenance workflows, safer transport, and more efficient servicing by providing a fast and reliable method for temporarily sealing fuel lines. Specifications Brand: FestoModel: QSC-4Part Number: 153262Type: Push capTubing Compatibility: 4 mm fuel tubingApplication: RC turbine jet fuel systems Ideal Applications Perfect for RC turbine jet aircraft, fuel system maintenance, fuel line testing, storage preparation, smoke systems, and other applications requiring temporary sealing of 4 mm fuel lines.

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The Festo QSC-6 6mm Push Cap (Part Number 153263) is a compact and reliable solution for sealing fuel lines in RC turbine jet aircraft. Designed for use with 6 mm fuel tubing, this push cap provides a fast, tool-free method for capping lines during maintenance, testing, storage, and transport. Ideal for both hobbyists and professional RC jet builders, the QSC-6 helps keep fuel systems clean, protected, and leak-free. Key Features Designed for 6 mm Fuel Tubing Compatible with standard 6 mm RC turbine jet fuel lines and pneumatic tubing systems. Quick Push-On Installation The push cap design allows fast attachment and removal without tools, simplifying routine maintenance and fuel system servicing. Genuine Festo QSC-6 Component Manufactured by Festo for dependable performance and long-lasting durability in demanding RC turbine environments. Prevents Leaks and Contamination Helps seal unused or disconnected fuel lines to reduce spills and protect against dust, debris, and moisture. Benefits for RC Turbine Jets The QSC-6 push cap improves maintenance efficiency by allowing quick and reliable fuel line sealing during servicing and system testing. It also supports safer aircraft storage and transport by helping prevent fuel leakage and contamination when fuel lines are disconnected. Specifications Brand: FestoModel: QSC-6Part Number: 153263Type: Push capTubing Compatibility: 6 mm fuel tubingConnection Style: Push-on capApplication: RC turbine jet fuel systems Ideal Applications Perfect for RC turbine jet aircraft, fuel system maintenance, fuel line testing, storage preparation, smoke systems, and other applications requiring temporary sealing of 6 mm fuel lines.            

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Straight Push-In Fitting for RC Turbine Fuel & Air Systems The Festo QSM-G1/8-64push-in fitting is a compact, high-quality solution for straight fuel and air line connections in RC turbine jets. Designed to connect a 1/8" threaded port to 6mm tubing, this fitting is ideal for clean, direct routing in turbine fuel systems. Perfect for RC gas turbine aircraft, it provides a secure, leak-free connection in demanding, high-vibration environments. Key Features of the Festo QSM-G1/8-4 Straight Inline Design Allows direct, unrestricted routing of fuel or air lines, minimizing flow resistance and simplifying system layout. 1/8" Thread to 4mm Push-In Connection Creates a reliable interface between standard 1/8" threaded ports and 4mm OD tubing, commonly used in larger RC turbine systems. Push-to-Connect Installation Quick, tool-free installation—simply push tubing into the fitting for a secure hold, reducing assembly time and simplifying maintenance. Compact & Durable Construction Engineered for RC turbine applications, offering long-lasting performance under fuel exposure and vibration. Benefits for RC Turbine Jet Applications Enables clean, straight fuel and air line routing Maximizes flow efficiency with minimal restriction Provides secure, leak-resistant connections Reduces installation time and maintenance effort Ideal for high-flow 4mm turbine fuel systems Technical Specifications Brand:Festo Model: QSM-G1/8-4 (186264) Connection: 1/8" threaded inlet to 4mm push-in tube Configuration: Straight fitting Series: QSM Application: RC turbine jet fuel and air systems Why Use Straight Fittings in RC Turbine Fuel Systems? Straight fittings are ideal for direct fuel line runs where maintaining maximum flow and minimal restriction is critical. In larger RC turbine systems using 4mm tubing, this helps ensure consistent fuel delivery and optimal engine performance.

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Straight Push-In Fitting for RC Turbine Fuel & Air Systems The Festo QSM-G1/8-6 push-in fitting is a compact, high-quality solution for straight fuel and air line connections in RC turbine jets. Designed to connect a 1/8" threaded port to 6mm tubing, this fitting is ideal for clean, direct routing in turbine fuel systems. Perfect for RC gas turbine aircraft, it provides a secure, leak-free connection in demanding, high-vibration environments. Key Features of the Festo QSM-G1/8-6 Straight Inline Design Allows direct, unrestricted routing of fuel or air lines, minimizing flow resistance and simplifying system layout. 1/8" Thread to 6mm Push-In Connection Creates a reliable interface between standard 1/8" threaded ports and 6mm OD tubing, commonly used in larger RC turbine systems. Push-to-Connect Installation Quick, tool-free installation—simply push tubing into the fitting for a secure hold, reducing assembly time and simplifying maintenance. Compact & Durable Construction Engineered for RC turbine applications, offering long-lasting performance under fuel exposure and vibration. Benefits for RC Turbine Jet Applications Enables clean, straight fuel and air line routing Maximizes flow efficiency with minimal restriction Provides secure, leak-resistant connections Reduces installation time and maintenance effort Ideal for high-flow 6mm turbine fuel systems Technical Specifications Brand: Festo Model: QSM-G1/8-6 (186265) Connection: 1/8" threaded inlet to 6mm push-in tube Configuration: Straight fitting Series: QSM Application: RC turbine jet fuel and air systems Why Use Straight Fittings in RC Turbine Fuel Systems? Straight fittings are ideal for direct fuel line runs where maintaining maximum flow and minimal restriction is critical. In larger RC turbine systems using 6mm tubing, this helps ensure consistent fuel delivery and optimal engine performance.

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The Festo QSM-M5-4 Male M5 to 4mm Tubing Adapter is a precision-engineered fitting designed for RC turbine jet fuel systems and pneumatic applications. Built specifically for RC gas turbine aircraft, this adapter provides a secure and reliable connection between threaded M5 components and 4mm OD Festo tubing. Designed for clean installations and dependable performance, the QSM-M5-4 fitting is ideal for fuel systems, pneumatic routing, smoke systems, and other critical RC aircraft plumbing applications. Reliable Fuel & Pneumatic Connections for RC Aircraft Proper fittings are essential for maintaining leak-resistant fuel systems and dependable pneumatic operation in RC turbine aircraft. The Festo QSM-M5-4 adapter allows quick and secure integration of 4mm tubing into M5 threaded components while maintaining clean and organized system layouts. Perfect for: RC gas turbine jets Sport and scale RC airplanes Fuel delivery systems Pneumatic systems Smoke oil systems Key Features of the Festo QSM-M5-4 Adapter Male M5 Threaded Connection Precision M5 male thread for secure installation Compatible with a wide range of RC turbine system components Reliable threaded connection for fuel and air systems 4mm Festo Tubing Compatibility Designed specifically for 4mm OD Festo tubing Secure push-to-connect fitting for quick installation Helps maintain clean fuel and pneumatic routing Precision Festo Engineering Manufactured by Festo for dependable performance Built for demanding turbine aircraft applications Designed for long-term reliability and ease of maintenance Benefits for RC Turbine Aircraft Leak-Resistant System Performance Secure connections help maintain consistent fuel and pneumatic operation during flight. Clean Aircraft Organization Supports tidy tubing layouts and professional-quality installations. Fast & Easy Installation Push-to-connect design simplifies assembly and servicing. Built for High-Vibration Environments Designed to perform reliably in the demanding conditions of RC gas turbine aircraft. Common Applications Fuel Systems Fuel line routing Fuel valve connections UAT and fuel tank plumbing Pneumatic Systems Retract systems Brake systems Air line routing Smoke Oil Systems Smoke pump plumbing Oil system line connections Specifications Model Festo QSM-M5-4 Connection Type Male M5 threaded fitting Push-to-connect 4mm tubing connection Tubing Compatibility 4mm OD Festo tubing Why Choose Approach RC Concepts At Approach RC Concepts, we specialize in premium RC turbine jet fuel system and pneumatic components designed for serious RC builders and pilots. Our products are trusted by enthusiasts who demand: Reliable system performance Precision-fit components Clean aircraft installations Durable, professional-grade hardware Upgrade your aircraft today with the Festo QSM-M5-4 Male M5 to 4mm Tubing Adapter engineered for dependable RC turbine jet performance.            

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The Festo QSM-M5-6 Male M5 to 6mm Tubing Adapter is designed for reliable fuel and pneumatic connections in RC gas turbine jet aircraft. Featuring a male M5 threaded connection on one end and a 6 mm Festo push-in tubing fitting on the other, this adapter provides a secure and efficient transition between threaded components and fuel tubing systems. Engineered for dependable performance, the QSM-M5-6 is ideal for compact RC turbine installations requiring clean and reliable tubing connections. Key Features Male M5 Thread to 6 mm Push-In Connection Connects M5 threaded ports directly to 6 mm Festo tubing for streamlined fuel and pneumatic system layouts. Secure Push-In Tubing Design The Festo push-to-connect fitting provides fast installation and dependable tubing retention without additional clamps or tools. Genuine Festo QSM Series Component Model QSM-M5-6, part number 153306, manufactured by Festo for long-lasting reliability and precision performance. Compact and Lightweight Its compact size allows easy installation in confined fuselage spaces common in RC turbine jet aircraft. Benefits for RC Turbine Jets The QSM-M5-6 adapter simplifies fuel and pneumatic system assembly by providing a clean and secure connection between threaded fittings and 6 mm tubing. Its durable construction and reliable sealing performance help support dependable operation in high-vibration RC turbine environments. Specifications Brand: FestoModel: QSM-M5-6Part Number: 153306Connection Type: Male M5 thread to 6 mm push-in tubingSeries: QSMApplication: RC turbine jet fuel and pneumatic systems Ideal Applications Perfect for RC turbine jet aircraft, fuel systems, pneumatic retract systems, brake systems, smoke systems, and other applications requiring secure M5 threaded to 6 mm tubing connections.

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Festo QSML G18-4 Push-In L Fitting RC Turbine Fuel Systems Compact 90-Degree Push-In Fitting for RC Turbine Fuel & Air Systems The Festo QSML-G1/8-4 push-in L fitting is a precision-engineered solution for RC turbine jet fuel and air line routing. Designed to connect a 1/8" threaded port to 4mm tubing, this 90-degree elbow fitting allows for clean, efficient installations in tight fuselage spaces. Ideal for fuel systems, air lines, and smoke systems, this fitting ensures secure, leak-free performance in high-vibration turbine environments. Key Features of the Festo QSML G18-4 Push-In L Fitting RC Turbine Fuel Systems90° Elbow Design for Tight Routing The compact right-angle design allows tubing to be routed efficiently in confined areas, reducing strain and improving overall system layout. 1/8" Thread to 4mm Push-In Connection Provides a reliable interface between standard 1/8" threaded ports and 4mm OD tubing, commonly used in RC turbine fuel systems. Push-to-Connect Installation Quick and tool-free installation—simply push the tubing into place for a secure hold, reducing build time and simplifying maintenance. Durable, Lightweight Construction Built for high-performance RC turbine applications, offering long-lasting reliability without adding unnecessary weight. Benefits of the Festo QSML G18-4 Push-In L Fitting RC Turbine Fuel Systems in RC Turbine Jet Applications Enables clean, space-saving fuel line routing Prevents kinking and improves fuel flow consistency Provides secure, leak-resistant connections Speeds up installation and reduces maintenance time Ideal for tight fuselage layouts and complex fuel systems Technical Specifications Brand:Festo Model: QSML-G1/8-4 (186268) Connection Type: 1/8" threaded inlet to 4mm push-in tube Configuration: 90-degree elbow (L fitting) Series: QSML Application: RC turbine jet fuel and air systems Why Use 90° Fittings in RC Turbine Fuel Systems? In RC gas turbine aircraft, efficient fuel and air line routing is critical. A 90-degree push-in fitting helps eliminate sharp bends and reduces stress on tubing, improving reliability and preventing flow restrictions. Using high-quality fittings like the QSML series ensures your system remains leak-free, organized, and optimized for performance.

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Compact Push-In Elbow Fitting for RC Turbine Fuel Line Routing The FESTO QSML-M5-4 Push-In L Fitting is a compact, high-quality pneumatic fitting designed for precise tubing and fluid routing in RC turbine jet fuel systems. Featuring an M5 threaded inlet and a 4 mm push-in elbow outlet, this fitting provides secure, leak-resistant connections while simplifying fuel line installation in tight aircraft spaces. Trusted for reliability and precision, FESTO fittings are widely used in RC turbine aircraft where dependable fuel system performance and clean tubing organization are critical. Key Features of the FESTO QSML-M5-4 Fitting Compact Push-In Elbow Design L-shaped configuration allows clean and efficient tubing routing in confined RC turbine jet installations. M5 Threaded Connection Features an M5 threaded inlet for secure installation into compatible fuel system components. 4 mm Push-In Outlet Push-in connection design allows fast, tool-free tubing installation and removal. Genuine FESTO Quality Manufactured by FESTO for consistent performance, reliability, and long service life in demanding applications. Ideal for RC Turbine Fuel Systems Perfect for fuel tubing routing, pneumatic systems, and compact electronics bays in RC turbine aircraft. Benefits for RC Turbine Builders Faster Fuel System Assembly Push-in fitting design simplifies installation and reduces setup time compared to traditional clamped connections. Reliable Leak-Resistant Connections Provides secure tubing retention for dependable fuel system operation during flight. Improved Fuel Line Organization 90-degree elbow routing helps keep tubing neat and organized in tight fuselage and equipment bay layouts. Professional RC Aircraft Installation Supports cleaner, more serviceable fuel system routing in high-performance RC turbine jets. Applications RC Turbine Jets RC Jet Fuel Systems Fuel Line Routing Pneumatic Control Systems Radio Control Aircraft Turbine Aircraft Electronics Bays Product Specifications Model FESTO QSML-M5-4 Part Number 153333 Related Variant QSML-M5-6 (Part Number 153335) Connection Type Push-In L Fitting Thread Size M5 Tubing Size 4 mm Brand FESTO    

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The Festo QSML-G1/8-6 push-in L fitting is a compact pneumatic connector engineered for clean, dependable 90-degree tube routing in RC turbine jet aircraft. Designed to connect a 1/8" threaded port to 6 mm pneumatic tubing, this fitting is ideal for tight installations requiring reliable airflow and organized tubing layouts. Key Features Compact 90-Degree Elbow Design The right-angle fitting allows efficient tubing management in confined areas while helping reduce line stress and sharp bends. 1/8" Thread to 6 mm Push-In Connection Provides a secure connection between a 1/8" threaded inlet and 6 mm push-in pneumatic tubing for dependable system performance. Genuine Festo QSML Series Fitting Model QSML-G1/8-6, part number 186269, manufactured by Festo for high-quality pneumatic applications. Benefits for RC Turbine Jets This fitting helps create cleaner pneumatic installations by routing tubing at a right angle for improved space management. The push-in connection style speeds up assembly, simplifies maintenance, and supports a kink-free installation in RC turbine jet aircraft. Specifications Brand: FestoModel: QSML-G1/8-6Part Number: 186269Connection: 1/8" threaded inlet to 6 mm push-in tubeDesign: 90-degree push-in L fittingSeries: QSML Ideal Applications Perfect for RC turbine jet aircraft, pneumatic landing gear systems, air brake systems, retract systems, and compact pneumatic routing applications where dependable 90-degree tube connections are required.

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The Festo QSML-M5-6 push-in L fitting is a compact pneumatic connector designed for clean, reliable 90-degree tube routing in tight RC turbine jet installations. It connects an M5 threaded port to 6 mm push-in tubing, making it ideal for streamlined air, gear, brake, and pneumatic system layouts. Key Features Compact 90-Degree Elbow Design The right-angle L fitting helps route tubing neatly in confined spaces while reducing sharp bends and unnecessary line stress. M5 Thread to 6 mm Push-In Connection Designed to connect an M5 threaded inlet to 6 mm pneumatic tubing for a secure, dependable fit. Genuine Festo QSML Series Fitting Model QSML-M5-6, part number 153335, from the trusted Festo QSML connector series. Benefits for RC Turbine Jets This fitting helps create a cleaner and more reliable pneumatic installation by allowing tubing to exit at a right angle. The push-in design reduces assembly time, improves serviceability, and supports a kink-free layout in RC turbine jet aircraft. Specifications Brand: FestoModel: QSML-M5-6Part Number: 153335Connection: M5 threaded inlet to 6 mm push-in tubeDesign: 90-degree push-in L fittingSeries: QSML Ideal Use Perfect for RC turbine jet aircraft, pneumatic landing gear systems, brake lines, air systems, and compact tubing layouts where reliable 90-degree routing is needed.

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The Festo QSMY-4 4mm Push-In Y-Connector is a compact pneumatic fitting designed for clean and reliable line routing in RC aircraft fuel and pneumatic systems. This versatile connector allows one 4 mm tubing line to branch into two, making it ideal for fuel systems, air systems, retracts, brake systems, and smoke system installations. Designed specifically for use with 4 mm Festo tubing, the QSMY-4 provides secure push-in connections and dependable performance in demanding RC aircraft environments. Key Features Split One 4 mm Line into Two The Y-connector design allows efficient branching of fuel or pneumatic tubing while maintaining clean and organized routing. Compatible with 4 mm Festo Tubing Designed for secure use with standard 4 mm Festo tubing and compatible pneumatic or fuel line systems. Push-to-Connect Installation Festo push-in fittings provide quick installation and reliable tubing retention without complicated assembly. Compact and Lightweight Design Its compact size makes it ideal for tight fuselage layouts and organized tubing installations. Benefits for RC Aircraft The QSMY-4 simplifies fuel and air system routing while helping maintain cleaner and more serviceable aircraft installations. Its durable construction and secure push-fit connections help improve reliability, reduce installation time, and support dependable operation in high-vibration RC environments. Specifications Brand: FestoModel: QSMY-4Part Number: 153371Type: Push-In Y-ConnectorTubing Compatibility: 4 mm tubingConnection Style: Push-to-connect Ideal Applications Perfect for RC fuel systems, pneumatic retract systems, brake systems, smoke systems, air routing, and other applications requiring dependable 4 mm tubing line splitting. Upgrade Your Fuel & Pneumatic Routing Choose the Festo QSMY-4 Push-In Y-Connector for clean installations, reliable tubing retention, and professional-grade fuel and pneumatic system routing in your RC aircraft.

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The Festo QSMY-6 6mm Wye Connector is designed specifically for use with 6 mm Festo tubing in RC turbine jet aircraft. This compact Y-fitting provides secure and reliable line splitting for fuel systems, pneumatic systems, smoke systems, and other fluid routing applications. Built with Festo’s trusted push-in connection design, the QSMY-6 allows quick installation while maintaining dependable tubing retention in demanding RC turbine environments. Key Features Designed for 6 mm Festo Tubing Engineered specifically for use with standard 6 mm Festo tubing and compatible fuel or pneumatic lines. Efficient Wye Line Splitting The Y-connector design allows one line to branch into two for clean and organized system layouts. Secure Push-In Connections Festo push-to-connect fittings provide fast installation and dependable tubing retention without complicated assembly. Compact and Lightweight Design Its compact size makes it ideal for tight fuselage spaces commonly found in RC turbine jet aircraft. Benefits for RC Turbine Jets The QSMY-6 Wye connector helps simplify fuel and pneumatic line routing while supporting clean and serviceable aircraft installations. Its durable construction and secure push-in connections help improve reliability and reduce installation time in RC turbine jet systems. Specifications Brand: FestoModel: QSMY-6Part Number: 153372Type: Wye connector / Y-fittingTubing Compatibility: 6 mm tubingConnection Style: Push-to-connect Ideal Applications Perfect for RC turbine jet aircraft, fuel systems, pneumatic retract systems, brake systems, smoke systems, and other applications requiring reliable 6 mm line splitting and routing.

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