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 5895-01-508-8310
NSN 5920-01-322-1365
NSN 5910-01-427-3819
NSN 5975-01-272-9205
NSN 5925-01-449-9771
NSN 5835-01-527-2629
NSN 5996-01-396-8829
NSN 6610-00-862-5901
NSN 5920-01-386-5798
NSN 5855-01-013-6864
NSN 4140-01-188-8160
NSN 5920-00-548-4425