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 4140-01-068-3500
NSN 2925-01-527-8745
NSN 5960-01-486-8919
NSN 5855-00-797-8217
NSN 5945-00-769-1053
NSN 5990-01-179-1000
NSN 5910-01-201-4462
NSN 6320-00-456-0836
NSN 6110-01-145-4458
NSN 6130-00-553-8758
NSN 6240-01-522-2070
NSN 4140-00-862-5644