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 5945-01-485-4700
NSN 6650-01-604-9315
NSN 6110-01-024-8220
NSN 5975-00-059-3646
NSN 5999-00-316-3515
NSN 7035-01-287-5094
NSN 6105-00-737-0829
NSN 6650-01-409-1992
NSN 5975-01-062-2987
NSN 6650-01-627-1480
NSN 5930-01-360-7479
NSN 5975-00-226-8429