Complies with mss sp-80; o/a lg 3.280 in.
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 6645-00-780-5260
NSN 6105-01-649-9841
NSN 5920-00-001-4314
NSN 5920-00-496-8006
NSN 5915-01-377-5237
NSN 5895-01-519-8880
NSN 6240-00-435-0433
NSN 5996-01-611-2924
NSN 5925-01-623-2889
NSN 6645-00-959-6502
NSN 5996-01-564-6864
NSN 5998-01-167-8402