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 6105-01-484-8516
NSN 5945-01-546-2343
NSN 6130-01-381-1713
NSN 5905-01-615-0970
NSN 5999-00-262-5682
NSN 5895-00-467-9997
NSN 5960-01-278-2852
NSN 6135-00-182-7008
NSN 6685-01-063-8297
NSN 5935-00-997-5362
NSN 6620-01-505-7921
NSN 5990-00-140-1159