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 4140-01-363-4666
NSN 6320-00-682-3448
NSN 5935-01-090-9645
NSN 6105-00-573-8858
NSN 6240-01-420-7304
NSN 6240-01-474-6914
NSN 5950-01-443-2465
NSN 6105-01-359-2962
NSN 6320-00-422-1773
NSN 5999-00-115-2890
NSN 6130-01-585-4638
NSN 5998-01-446-0053