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 5935-01-531-7915
NSN 5910-00-528-9416
NSN 5930-01-605-5200
NSN 5835-00-924-4268
NSN 5930-00-406-7372
NSN 5945-01-323-5366
NSN 5855-01-609-1874
NSN 5999-01-021-8112
NSN 5930-01-005-6795
NSN 5855-01-394-7125
NSN 6105-00-144-1754
NSN 5910-01-195-5069