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 4140-00-009-7453
NSN 6645-01-367-0869
NSN 6150-01-229-3269
NSN 5930-01-472-2594
NSN 6620-01-364-2103
NSN 5905-01-265-0175
NSN 5960-00-688-7510
NSN 6650-01-256-3413
NSN 6105-00-177-6300
NSN 6220-01-351-6458
NSN 5999-00-012-5010
NSN 5960-01-285-2152