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 5999-01-431-2347
NSN 6130-01-135-7890
NSN 6320-00-343-1798
NSN 5855-01-147-6024
NSN 5996-01-497-9291
NSN 5925-00-529-3950
NSN 6135-01-422-1440
NSN 6645-01-525-7493
NSN 5920-01-227-1877
NSN 5996-01-612-6511
NSN 6650-01-573-7165
NSN 4140-00-890-6447