NAS1611-228 Aerospace Packing O-Ring
Product Name: NAS1611-228 - Aerospace Packing O-Ring
Manufacturer: National Aerospace Standards (NAS)
Part Number: NAS1611-228
Material: Ethylene Propylene (EPM) rubber
Dimensions: Outer Diameter: 2.234 inches, Cross-Section: 0.139 inches
Temperature Range: -65°F to 250°F
Compatibility: Ideal for aerospace applications requiring phosphate ester fluid resistance
Availability: In Stock on AirParts.Aero Marketplace
Alternates: MS28775-268
Product Description
The NAS1611-228 Packing O-Ring is a high-quality, military-standard preformed packing ring, engineered for critical aerospace applications where dependable sealing and resistance to hydraulic fluids are essential. Constructed from Ethylene Propylene (EPM) rubber, this O-ring offers excellent durability under high temperature and pressure conditions, making it suitable for aircraft systems that require resistance to phosphate ester fluids commonly used in aviation.
Designed in compliance with NAS1611 standards, this packing O-ring meets rigorous aerospace industry requirements, supporting reliable performance in hydraulic, fuel, and pneumatic systems. The O-ring’s specific dimensions and material properties ensure a precise fit, maintaining seal integrity and minimizing the risk of leaks or component wear in demanding flight environments.
Key Features and Technical Specifications
- Material Composition: Ethylene Propylene rubber (EPM), providing superior resistance to phosphate ester-based fluids and high temperatures.
- Dimensions and Fit: Outer diameter of 2.234 inches with a cross-sectional height of 0.139 inches, offering an exact fit for specific aerospace configurations.
- Temperature Range: Operational within a wide range from -65°F to 250°F, ensuring reliability across diverse environmental conditions.
- Compliance: Manufactured to meet NAS1611 standards, assuring compatibility with high-performance aerospace systems.
- Application Suitability: Commonly used in critical hydraulic and pneumatic systems requiring high chemical resistance and dependable sealing under varying pressures.
Benefits for Aerospace Applications
- Enhanced Chemical Resistance: EPM rubber construction ensures resilience against hydraulic and phosphate ester fluids, reducing the frequency of replacements.
- High-Temperature Performance: Maintains reliable sealing performance even in extreme temperatures, essential for high-altitude and high-performance aircraft.
- Precision Manufacturing: Conforms to aerospace NAS standards, ensuring compatibility and optimized performance within specified applications.
Applications in Aircraft Maintenance
The NAS1611-228 Packing O-Ring is ideal for maintenance and repairs in aerospace systems, particularly in hydraulic and fuel systems of commercial and military aircraft. Replacing worn or damaged O-rings with NAS-standard components like the NAS1611-228 helps maintain system integrity, reduces operational risks, and supports compliance with aerospace safety regulations.