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 6650-00-153-3155
NSN 5935-00-633-5056
NSN 5930-00-419-0231
NSN 5945-01-588-6021
NSN 6610-00-405-9700
NSN 5985-01-185-7706
NSN 5915-01-615-9346
NSN 6150-01-327-0185
NSN 6650-01-137-1685
NSN 2925-01-105-5446
NSN 6220-01-507-4798
NSN 5945-00-999-9519