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 5990-00-042-3413
NSN 4140-00-332-5956
NSN 5915-01-332-9080
NSN 5895-01-117-6541
NSN 5935-00-938-9432
NSN 5895-00-961-0031
NSN 5915-01-425-4737
NSN 4140-00-653-5245
NSN 6610-00-558-0480
NSN 5965-00-982-6216
NSN 5835-01-384-3206
NSN 5910-01-495-0271