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 5835-01-408-0621
NSN 6150-00-041-3738
NSN 5930-00-777-0233
NSN 6105-00-476-3059
NSN 6135-00-246-0324
NSN 5990-01-485-0260
NSN 5950-01-305-1821
NSN 5965-01-595-6134
NSN 5996-00-636-4849
NSN 6650-01-603-3183
NSN 5930-00-580-3085
NSN 6105-01-489-5374