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 5855-01-562-2005
NSN 6150-01-371-3435
NSN 6105-01-653-6829
NSN
NSN 5950-00-470-2392
NSN 5910-00-679-9472
NSN 6645-01-268-4045
NSN 5965-00-313-9049
NSN 5935-00-184-8540
NSN 5935-01-512-1988
NSN 6145-01-540-3558
NSN 6620-01-437-0387