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 5935-01-178-0972
NSN 6150-01-014-5691
NSN 5920-00-285-2245
NSN 5935-00-862-7066
NSN 6650-00-220-2839
NSN 6685-01-589-3903
NSN 6645-01-313-0772
NSN 5935-01-140-8113
NSN 5990-01-166-2237
NSN 5835-01-412-0344
NSN 6150-00-797-3937
NSN 6320-01-290-0514