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 5935-00-226-3980
NSN 6150-01-578-6631
NSN 6320-01-253-9585
NSN 5999-00-639-3447
NSN 6650-01-363-0963
NSN 5920-00-770-2015
NSN 5998-01-233-2269
NSN 6145-01-460-5661
NSN 6220-01-367-2923
NSN 6320-00-790-4844
NSN 6105-01-522-6595
NSN 5996-01-619-9107