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 5905-01-150-4793
NSN 5930-01-114-8156
NSN 6620-01-508-9041
NSN 5975-00-958-9713
NSN 6650-01-165-2175
NSN 5945-00-674-4627
NSN 5990-01-100-1840
NSN 6220-01-112-3594
NSN 5905-01-270-3535
NSN 6130-01-071-6319
NSN 5910-00-892-2763
NSN 6130-00-979-5923