Four bolt cap
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 4140-01-580-0277
NSN 5960-01-252-8821
NSN 6220-00-399-7109
NSN 6620-01-583-8155
NSN 6110-01-044-7884
NSN 6645-01-189-0275
NSN 5960-00-564-1039
NSN 6650-01-425-2572
NSN 5990-01-328-9846
NSN 4140-01-495-1995
NSN 5990-01-462-8415
NSN 6650-01-515-8231