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 6240-01-116-3137
NSN 5999-01-467-6837
NSN 6105-00-377-8206
NSN 5945-01-493-3713
NSN 6650-01-643-5908
NSN 7035-01-432-2424
NSN 6145-00-081-1073
NSN 5930-00-188-1055
NSN 5835-01-502-9228
NSN 5935-01-450-7982
NSN 5996-01-006-6346
NSN 5996-01-443-2105