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 6320-00-681-1324
NSN 6620-00-225-1475
NSN 5925-01-598-8379
NSN 5910-01-350-1202
NSN 5915-01-309-6847
NSN 6620-01-231-9731
NSN 5925-00-734-1441
NSN 5895-00-828-7687
NSN 6240-01-381-1072
NSN 5905-00-495-2865
NSN 5915-00-228-9890
NSN 5950-01-386-6481