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 6610-01-368-0465
NSN 6220-00-337-7463
NSN 6105-00-752-2560
NSN 6150-01-424-0229
NSN 5996-00-698-8443
NSN 6150-01-588-1230
NSN 5895-00-274-6255
NSN 6645-00-758-4567
NSN 6620-00-932-4306
NSN 5925-01-504-2852
NSN 5835-01-023-8733
NSN 4140-01-652-4725