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 5996-01-419-5756
NSN 6150-01-240-6638
NSN 6150-01-325-6603
NSN 5935-00-892-1650
NSN 5835-01-578-3443
NSN 6645-01-432-1068
NSN 5910-00-925-6588
NSN 6110-01-544-0066
NSN 6240-01-561-2248
NSN 5925-01-276-7059
NSN 5996-01-039-0703
NSN 5965-00-436-2226