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 6610-00-229-6742
NSN 5920-01-546-6598
NSN 6220-01-078-8576
NSN 6645-01-446-1994
NSN 6150-00-338-8953
NSN 6135-01-487-0773
NSN 5996-00-045-8379
NSN 5960-00-139-3204
NSN 6130-00-553-8758
NSN 6105-00-265-7545
NSN 5925-01-135-0817
NSN 5990-01-430-4651