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 6240-01-535-7359
NSN 2925-01-211-3294
NSN 6610-01-517-1901
NSN 6240-00-325-2156
NSN 5895-01-250-7868
NSN 5895-00-234-4261
NSN 5935-01-468-0340
NSN 5945-01-316-6692
NSN 6145-01-104-6029
NSN 5835-01-163-4215
NSN 5945-01-513-2766
NSN 5960-00-617-9312