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 5950-00-964-8678
NSN 6105-00-283-1182
NSN 5920-00-155-2173
NSN 5935-01-501-0559
NSN 6130-01-432-2855
NSN 5930-00-868-6954
NSN 5990-01-204-4874
NSN 6135-01-213-7339
NSN 5998-01-645-5777
NSN 5975-01-023-3081
NSN 6135-00-708-0892
NSN 5905-00-032-9687