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 5835-00-901-2545
NSN 6105-00-347-6917
NSN 5998-01-619-7705
NSN 7035-01-276-0355
NSN 5999-00-633-7592
NSN 6610-01-288-6103
NSN 5855-01-381-6052
NSN 6105-00-735-5990
NSN 5925-00-916-8605
NSN 4140-01-555-6082
NSN 6620-00-179-1884
NSN 7035-01-601-3070