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 5999-01-634-0576
NSN 6620-01-552-2889
NSN 6610-01-194-1778
NSN 5905-01-607-0255
NSN 6150-01-070-5953
NSN 5920-00-081-9156
NSN 5990-00-920-2894
NSN 6240-00-299-6994
NSN 6110-00-686-4685
NSN 6220-01-454-0018
NSN 6685-01-370-5258
NSN 6645-01-023-8020