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 5965-01-091-1884
NSN 5920-00-288-5849
NSN 5910-01-162-0029
NSN 5960-01-106-3086
NSN 5920-01-456-0572
NSN 5915-01-367-7420
NSN 5998-01-321-7638
NSN 5930-00-011-3683
NSN 5985-01-144-8968
NSN 5965-00-075-1485
NSN 4140-01-268-1351
NSN 4140-01-124-0623