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 5999-01-137-0635
NSN 6645-01-461-1147
NSN 5990-00-166-9476
NSN 5855-01-033-1375
NSN 6150-01-240-9557
NSN 6150-01-139-3373
NSN 5965-01-371-1297
NSN 6650-01-501-7061
NSN 5895-01-505-0364
NSN 2925-01-112-8782
NSN 5950-01-487-6005
NSN 5925-00-392-6164