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 5950-01-211-5826
NSN 2925-01-554-5246
NSN 4140-00-442-6373
NSN 6135-01-354-5535
NSN 5990-01-104-6703
NSN 6105-00-585-3661
NSN 5998-01-322-4648
NSN 5999-01-397-4004
NSN 5895-01-252-1626
NSN 5895-01-443-0886
NSN 6150-01-551-3064
NSN 5925-01-534-4866