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 6650-01-066-0420
NSN 6620-01-652-2078
NSN 6620-01-490-5664
NSN 2925-01-322-9780
NSN 5855-01-486-2346
NSN 2925-01-577-0004
NSN 5990-01-522-6096
NSN 7035-00-890-7649
NSN 6320-00-882-7061
NSN 6320-01-316-6864
NSN 5960-01-512-0233
NSN 5999-01-516-9738