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 5915-00-557-6467
NSN 5990-00-174-6695
NSN 4140-01-626-6779
NSN 5895-01-178-8177
NSN 6645-01-122-9430
NSN 5920-01-469-2349
NSN 6150-00-350-8100
NSN 5910-01-437-8914
NSN 6220-00-905-5686
NSN 5895-00-254-1918
NSN 6650-00-175-7520
NSN 6105-00-102-4738