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 6110-00-080-2767
NSN 5945-01-310-8076
NSN 6650-01-372-9250
NSN 7035-00-981-7216
NSN 7035-01-076-4067
NSN 5925-00-260-4298
NSN 4140-00-159-8471
NSN 6650-01-472-2244
NSN 4140-01-190-3278
NSN 5965-00-182-7928
NSN 5905-01-170-4111
NSN 6130-00-806-7965