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 5915-01-196-4787
NSN 6620-01-290-2973
NSN 6320-01-054-3046
NSN 5945-01-043-4740
NSN 5975-00-884-2490
NSN 5965-01-063-6115
NSN 6620-01-633-8443
NSN 2925-01-430-4206
NSN 5895-01-032-9131
NSN 5905-01-608-2878
NSN 5905-01-377-5034
NSN 6610-01-445-7120