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 6620-01-346-9340
NSN 6320-00-261-9136
NSN 5915-01-068-4441
NSN 5985-01-556-8013
NSN 2925-00-749-8893
NSN 6685-01-268-1724
NSN 5925-00-553-9899
NSN 5999-01-556-6858
NSN 6620-01-172-3500
NSN 5915-00-431-8744
NSN 5910-01-204-6848
NSN 6150-01-020-7881