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 6220-00-998-6142
NSN 5965-01-519-1929
NSN 5920-01-483-1196
NSN 2925-01-420-2362
NSN 5920-00-288-5849
NSN 6620-01-486-2555
NSN 5990-00-145-1187
NSN 5835-00-703-0692
NSN 5915-01-290-3885
NSN 5999-00-453-2507
NSN 5996-00-952-3452
NSN 2925-01-633-4048