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 6320-01-285-1922
NSN 6110-01-227-2617
NSN 6135-00-733-9665
NSN 6610-00-924-8157
NSN 5990-01-575-3275
NSN 5930-01-468-5478
NSN 2925-00-143-3198
NSN 6105-01-481-8481
NSN 6220-00-635-1317
NSN 6135-00-073-8939
NSN 6150-01-261-7945
NSN 5930-01-140-9029