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 6135-01-322-4655
NSN 5905-00-781-5497
NSN 5935-01-003-8602
NSN 5998-01-328-8032
NSN 4140-00-813-1420
NSN 5990-01-565-2226
NSN 6650-01-633-9147
NSN 5950-01-224-0241
NSN 6105-01-302-9705
NSN 6610-00-724-1005
NSN 5835-01-341-1163
NSN 5950-00-272-9398