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 6650-01-200-7657
NSN 5965-01-088-5414
NSN 6150-01-284-0234
NSN 5960-01-206-0743
NSN 5945-01-565-0849
NSN 6135-00-998-5884
NSN 6620-01-081-1042
NSN 6650-00-170-5095
NSN 5960-00-871-3950
NSN 6650-01-556-1929
NSN 5960-01-307-2674
NSN 6620-01-609-6259