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 5905-00-121-6838
NSN 4140-00-862-3862
NSN 5999-00-104-5582
NSN 5905-01-605-1569
NSN 5990-00-543-2755
NSN 5999-00-110-8130
NSN 5990-01-431-6749
NSN 6620-00-104-6937
NSN 6135-00-906-0984
NSN 6130-00-967-0475
NSN 5960-01-480-0994
NSN 5925-01-185-9897