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 5975-00-823-0979
NSN 6650-00-656-3066
NSN 7035-00-946-2642
NSN 7035-01-502-6764
NSN 5985-01-130-5634
NSN 6220-01-145-0198
NSN 6240-01-425-0606
NSN 5915-00-061-6675
NSN 5930-01-331-9227
NSN 5998-01-495-2035
NSN 6685-01-592-8477
NSN 5960-01-567-1096