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.
Classification: Check valves of copper having a pressure rating of 850 kpa or over
NSN 4140-01-502-8993
NSN 5975-01-388-1415
NSN 5950-00-705-5421
NSN 5965-01-040-4178
NSN 5960-00-016-0372
NSN 5996-00-097-6295
NSN 6110-00-358-1870
NSN 6650-01-317-2101
NSN 5915-00-983-2742
NSN 5999-01-624-7675
NSN 5990-01-507-7495
NSN 6150-01-509-2787