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 5985-01-432-4584
NSN 5985-00-161-5124
NSN 6130-01-126-9978
NSN 5975-01-053-1331
NSN 6135-01-202-8113
NSN 5990-01-577-2120
NSN 6150-00-737-8809
NSN 4140-01-621-3177
NSN 5905-01-437-6521
NSN 5935-01-611-1223
NSN 5975-00-356-3686
NSN 5895-01-009-8246