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 5930-01-014-6317
NSN 5935-01-357-8003
NSN 5930-01-292-3370
NSN 5930-01-412-0636
NSN 6620-01-168-8450
NSN 6150-00-176-9112
NSN 5935-01-199-4144
NSN 5999-00-164-2981
NSN 5910-01-642-6115
NSN 6320-01-296-3181
NSN 5920-00-269-6178
NSN 5895-01-124-8753