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 4140-01-476-9068
NSN 6320-01-585-8468
NSN 6130-01-618-1189
NSN 5990-01-400-3299
NSN 5915-01-511-1024
NSN 5975-01-465-7762
NSN 5920-00-621-6601
NSN 5996-00-146-9746
NSN 6150-01-440-2708
NSN 6130-00-086-8976
NSN 5895-00-727-8708
NSN 5999-00-167-1136