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 5935-01-375-3844
NSN 6220-01-113-3257
NSN 5999-00-517-1781
NSN 5915-01-545-8853
NSN 5965-00-217-2476
NSN 6220-00-702-8263
NSN 5965-00-905-6895
NSN 5960-01-550-8038
NSN 5975-01-388-2603
NSN 5935-01-431-8010
NSN 5915-01-646-6233
NSN 5990-01-073-9409