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 5985-01-290-4227
NSN 5960-01-503-8411
NSN 6650-01-633-9147
NSN 5835-01-384-3206
NSN 6130-00-462-7123
NSN 6685-00-050-7721
NSN 5965-01-398-9579
NSN 5935-01-012-2565
NSN 6240-00-010-1124
NSN 5960-00-405-1284
NSN 5999-01-495-8522
NSN 5975-01-607-0087