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 7035-01-525-8263
NSN 5835-01-264-8782
NSN 5945-01-445-6883
NSN 5925-00-126-6660
NSN 6220-01-245-0310
NSN 5855-00-925-7887
NSN 6240-01-350-3533
NSN 4140-00-259-2567
NSN 5905-01-260-0400
NSN 6150-00-553-1535
NSN 6240-01-195-1750
NSN 5960-01-481-8051