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 6240-00-734-3276
NSN 5965-01-562-4667
NSN 5990-01-199-2846
NSN 4140-01-497-2716
NSN 5910-01-239-3126
NSN 5855-01-054-9014
NSN 6620-00-935-1321
NSN 5945-01-160-6247
NSN 5910-00-703-0897
NSN 6650-01-442-7893
NSN 5975-01-387-9307
NSN 6145-01-140-1538