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 5960-00-275-2990
NSN 4140-01-557-5790
NSN 5855-01-063-6340
NSN 5925-01-354-7130
NSN 6620-01-200-8176
NSN 5935-00-537-3510
NSN 5910-01-365-0093
NSN 5925-01-031-5937
NSN 5915-01-625-9403
NSN 6220-01-431-1200
NSN 5905-01-087-8770
NSN 6610-00-905-6780