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 6620-01-016-3091
NSN 6240-00-635-9953
NSN 6145-00-226-8870
NSN 6110-01-619-4881
NSN 6150-01-435-1629
NSN 5855-01-147-4785
NSN 6110-00-852-5479
NSN 5935-01-023-1979
NSN 6110-01-011-2808
NSN 5920-00-339-0338
NSN 5950-01-453-0663
NSN 5999-00-171-8858