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 5935-00-834-5518
NSN 5945-00-296-8464
NSN 5925-01-200-7813
NSN 5930-01-334-2896
NSN 5930-01-160-6122
NSN 6650-01-197-0587
NSN 6240-01-152-2662
NSN 5965-01-321-7407
NSN 5945-01-612-0966
NSN 7035-00-703-3535
NSN 5935-01-063-6450
NSN 4140-01-185-6214