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 2925-00-608-8943
NSN 5965-01-562-0811
NSN 5965-00-182-7928
NSN 6645-00-342-5956
NSN 5999-01-148-1609
NSN 5835-01-506-0746
NSN 6650-00-678-5627
NSN 6610-00-040-4124
NSN 5915-01-153-2084
NSN 6645-00-100-4931
NSN 5965-01-494-9446
NSN 5935-01-223-8450