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 5910-00-835-2936
NSN 6220-01-408-1717
NSN 6610-01-206-0703
NSN 5910-01-560-7804
NSN 5930-00-958-7984
NSN 5920-00-960-7614
NSN 6105-01-399-5431
NSN 5915-00-291-3736
NSN 6685-01-558-7477
NSN 6105-01-033-6610
NSN 6110-01-216-1692
NSN 5930-01-005-1220