Flight safety critical
A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.
Classification: Check valves of materials other than copper, iron or steel
NSN 5985-01-156-1379
NSN 6645-01-072-2486
NSN 5999-01-316-3550
NSN 6650-01-406-9852
NSN 5835-01-168-6256
NSN 5960-00-983-6868
NSN 2925-00-835-6711
NSN 5985-01-088-0643
NSN 5835-00-174-7763
NSN 5950-00-633-5917
NSN 5925-01-415-3084
NSN 5935-01-415-1775