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 5945-01-522-1518
NSN 5960-00-839-9526
NSN 6150-00-572-9154
NSN 5965-00-519-6610
NSN 5930-00-983-1320
NSN 5945-00-007-1995
NSN 4140-00-270-8075
NSN 6220-01-236-0233
NSN 5920-00-242-2758
NSN 5945-00-011-8266
NSN 6240-01-609-6665
NSN 6610-01-010-4516