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 5945-01-005-6602
NSN 6610-00-734-5976
NSN 6610-00-639-3615
NSN 5960-01-058-8582
NSN 6645-00-332-2710
NSN 5985-01-326-1842
NSN 6320-01-072-2073
NSN 5985-00-517-9342
NSN 6610-00-419-0315
NSN 2925-01-187-5480
NSN 6110-00-959-7002
NSN 5998-01-441-1950