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.
NSN 5965-00-905-6895
NSN 6220-01-545-4613
NSN 6320-01-576-6310
NSN 5950-01-353-2884
NSN 6645-01-382-4940
NSN 5999-00-797-1334
NSN 5855-01-216-7633
NSN 5950-01-362-4526
NSN 6240-01-234-7893
NSN 6220-01-467-0822
NSN 5998-01-551-0936
NSN 7035-01-054-5208