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 6645-00-664-4665
NSN 5935-00-299-2102
NSN 7035-01-620-0131
NSN 6130-00-857-0904
NSN 6135-01-353-3802
NSN 6620-00-104-6937
NSN 5998-01-224-9527
NSN 6150-00-767-5802
NSN 5925-01-526-5965
NSN 5895-00-682-6303
NSN 6620-01-554-0030
NSN 6320-01-578-6006