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 6320-01-415-0953
NSN 7035-01-463-3368
NSN 6320-00-139-1090
NSN 6130-01-378-6778
NSN 5930-01-060-0060
NSN 5925-00-144-0482
NSN 7035-00-585-2113
NSN 5855-01-357-6877
NSN 2925-01-400-2286
NSN 5945-01-270-3496
NSN 7035-01-515-3490
NSN 2925-01-063-7876