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 5965-00-067-7393
NSN 5965-01-443-3407
NSN 6135-00-016-0071
NSN 5965-01-532-5020
NSN 5945-01-297-3355
NSN 5920-01-238-6676
NSN 6135-01-054-2462
NSN 6105-01-499-1551
NSN 5915-01-649-7946
NSN 5855-01-486-9924
NSN 6650-01-316-8839
NSN 5920-01-464-8480