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 5996-00-377-9464
NSN 5915-01-264-0986
NSN 5905-00-256-0130
NSN 5975-01-599-9930
NSN 5905-01-355-2411
NSN 6650-01-629-7836
NSN 5990-01-633-9503
NSN 5895-00-518-4954
NSN 5999-01-376-8580
NSN 6240-00-935-7058
NSN 5915-01-527-3691
NSN 5965-01-461-2850