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 6650-01-207-0829
NSN 5965-01-658-2151
NSN 5835-00-148-9719
NSN 6320-00-036-3688
NSN 5855-00-327-2112
NSN 5945-01-320-9173
NSN 6130-01-054-6126
NSN 7035-00-286-6221
NSN 6150-01-270-2268
NSN 4140-00-552-7370
NSN 6620-01-163-1613
NSN 5965-01-332-6693