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 4140-01-543-7262
NSN 6620-01-573-1952
NSN 5915-01-336-9428
NSN 6685-01-312-4445
NSN 6645-00-015-6018
NSN 5990-01-183-1897
NSN 5996-00-471-0540
NSN 5855-01-259-6897
NSN 6105-00-081-7880
NSN 5996-01-185-7632
NSN 5930-00-773-0221
NSN 6610-01-023-6073