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 6130-01-467-8435
NSN 5835-01-005-8564
NSN 6145-01-393-3975
NSN 5910-00-119-9305
NSN 5945-01-141-5570
NSN 5975-01-445-7365
NSN 5920-01-019-8880
NSN 6240-01-124-0037
NSN 5935-01-221-2884
NSN 5930-01-476-1766
NSN 6130-01-634-0603
NSN 5920-01-465-3560