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 5915-01-613-6024
NSN 5996-00-114-1799
NSN 5920-00-246-5992
NSN 5930-00-832-5888
NSN 7035-01-470-5613
NSN 6685-01-314-7140
NSN 5996-01-505-0101
NSN 6220-01-343-3823
NSN 4140-00-359-5021
NSN 6620-00-303-9947
NSN 5905-00-530-8064
NSN 6130-01-350-2132