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 6145-00-468-3583
NSN 5990-01-514-8030
NSN 6645-00-258-8547
NSN 5960-01-553-4557
NSN 5855-01-078-4180
NSN 6150-01-419-5965
NSN 5999-00-006-9278
NSN 6320-00-476-6898
NSN 6135-01-090-5365
NSN 6135-01-317-6021
NSN 6110-00-879-0810
NSN 5835-01-572-1284