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 5960-01-640-6473
NSN 6150-01-133-4012
NSN 5960-00-546-7533
NSN 5835-01-541-9991
NSN 6320-00-116-3658
NSN 5998-00-174-3690
NSN 5930-00-506-6886
NSN 5855-01-495-1750
NSN 6240-01-012-3976
NSN 5999-01-080-5341
NSN 5935-00-494-0702
NSN 5855-01-590-6240