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 5925-01-526-3328
NSN 5985-00-143-3618
NSN 4140-00-350-0181
NSN 5945-01-226-1984
NSN 5998-01-067-8323
NSN 6645-01-225-3037
NSN 5915-01-153-2623
NSN 5835-01-476-8210
NSN 6220-00-247-4859
NSN 6650-01-193-8983
NSN 5998-01-449-1075
NSN 6110-01-200-8237