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 5999-01-592-4527
NSN 5920-01-006-9821
NSN 5935-00-983-0689
NSN 5930-01-381-3744
NSN 5835-00-051-9092
NSN 5965-01-010-1258
NSN 4140-01-314-8251
NSN 5999-01-548-4423
NSN 5945-00-023-9826
NSN 5950-00-816-6728
NSN 5905-01-073-0945
NSN 6145-00-451-6651