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 6620-00-843-5336
NSN 5996-00-082-0320
NSN 5910-00-886-5187
NSN 5895-01-634-0630
NSN 5920-01-357-7165
NSN 6150-01-134-1001
NSN 5855-01-243-2355
NSN 6135-00-643-4843
NSN 5960-01-395-1164
NSN 5935-01-087-4954
NSN 6110-00-112-1476
NSN 6685-00-224-5310