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 6220-01-397-7416
NSN 5905-01-087-1669
NSN 5930-00-954-8416
NSN 4140-01-122-9163
NSN 5925-00-175-9349
NSN 5835-00-387-4759
NSN 5998-01-241-3128
NSN 6145-01-658-5730
NSN 5910-01-339-1561
NSN 5999-01-616-1450
NSN 5965-00-594-3115
NSN 4140-01-483-5520