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 5990-01-485-0260
NSN 5930-00-226-0562
NSN 5920-00-473-0563
NSN 6685-01-086-4715
NSN 6130-01-055-8288
NSN 5930-01-434-1874
NSN 5999-00-309-0399
NSN 4140-01-482-2053
NSN 5975-00-045-9819
NSN 5855-00-167-7893
NSN 2925-00-808-5077
NSN 6620-00-208-5447