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 5945-01-371-8085
NSN 5935-01-103-1797
NSN 6145-00-435-2308
NSN 5925-01-411-7839
NSN 5945-01-400-5928
NSN 5930-00-546-9400
NSN 5915-00-291-3736
NSN 4140-01-169-8105
NSN 5945-01-422-2956
NSN 6650-00-382-6080
NSN 5965-00-959-4910
NSN 5835-01-398-3859