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 5915-01-242-9686
NSN 5975-01-170-4131
NSN 5999-01-463-2419
NSN 5999-01-420-2315
NSN 4140-01-079-3584
NSN 5895-01-024-9573
NSN 5920-01-490-2733
NSN 6130-01-301-0637
NSN 6240-01-386-4594
NSN 5925-01-110-7404
NSN 4140-00-408-9989
NSN 6645-01-338-9152