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 6620-01-026-0346
NSN 6135-00-756-6149
NSN 6150-00-808-1134
NSN 5925-01-321-8068
NSN 7035-00-104-7613
NSN 6110-00-400-8053
NSN 5915-01-211-7777
NSN 6145-01-574-3950
NSN 5835-00-689-0278
NSN 6150-01-608-2635
NSN 5990-01-503-9804
NSN 5895-01-205-1123