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 6620-01-177-5567
NSN 5990-00-772-9277
NSN 5895-01-398-0063
NSN 5950-01-364-0800
NSN 5990-00-652-2249
NSN 5998-01-529-0325
NSN 6150-01-408-4662
NSN 5925-01-111-6719
NSN 5985-00-670-5660
NSN 6105-01-622-3394
NSN 5930-01-619-0942
NSN 5915-00-105-6173