The AS3209-120 is an aerospace-standard O-ring seal (preformed packing) designed for use in aircraft hydraulic, fuel, oil, and filtration systems. It provides a dependable leak-proof seal between mating components, helping maintain system pressure and preventing fluid loss in critical aircraft applications.

Commonly installed in filter assemblies, valves, pumps, and fluid line connections, this seal is manufactured from aircraft-grade elastomer materials that offer excellent resistance to aviation fluids, temperature fluctuations, and environmental exposure. Its precision dimensions ensure reliable sealing performance and long service life in demanding operating conditions.

Key features include:

AS3209-120 aerospace standard O-ring seal
Used in hydraulic, fuel, oil, and filter systems
Provides reliable leak-proof sealing
Suitable for filter housings and fluid connections
Resistant to aviation fuels, oils, and hydraulic fluids
Designed for pressure and temperature variations
Durable aircraft-grade elastomer construction
Supports long-term sealing performance
Suitable for vibration and cyclic load environments
Direct replacement per AS3209 specification