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 5945-01-253-0357
NSN 6650-01-175-0841
NSN 5835-01-229-6964
NSN 6650-00-202-4540
NSN 6685-01-645-5828
NSN 5930-01-253-6421
NSN 6320-01-421-7826
NSN 5945-01-436-2307
NSN 5915-00-959-5454
NSN 5960-01-399-4327
NSN 5925-00-334-4048
NSN 5999-01-449-1694