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 5999-00-298-8310
NSN 5990-01-407-6615
NSN 4140-01-529-4722
NSN 5985-01-536-9900
NSN 5945-01-193-1279
NSN 6620-00-224-3479
NSN 5910-00-177-2640
NSN 5960-00-204-7506
NSN 5915-00-528-9286
NSN 6610-01-487-8879
NSN 5998-01-328-8912
NSN 5990-00-478-6518