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 6645-01-076-4655
NSN 5990-01-012-6358
NSN 6145-01-634-0388
NSN 5915-01-526-8489
NSN 5855-01-557-9470
NSN 5835-01-314-2781
NSN 5910-01-244-3440
NSN 6130-01-089-8154
NSN 5965-01-370-1891
NSN 5855-01-240-5470
NSN 6105-01-466-9090
NSN 5920-01-443-3771