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 5930-01-083-5570
NSN 6105-01-594-2251
NSN 6220-01-509-2510
NSN 6150-00-557-8981
NSN 5905-01-535-6794
NSN 5925-01-584-8564
NSN 5920-00-473-0563
NSN 5935-01-343-5127
NSN 5910-00-959-6099
NSN 6105-01-152-2261
NSN 5905-00-768-8719
NSN 6320-01-527-0211