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 5999-01-294-3989
NSN 5965-01-360-6568
NSN 6105-00-952-5031
NSN 6650-01-618-7779
NSN 6110-01-090-0804
NSN 5895-01-339-7612
NSN 4140-01-397-7790
NSN 6110-01-346-0671
NSN 6650-00-842-5463
NSN 6650-01-432-1830
NSN 5985-01-075-0496
NSN 5910-01-435-7686