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 5999-00-544-6822
NSN 4140-01-362-9957
NSN 6240-01-004-9634
NSN 5998-01-425-2185
NSN 6130-00-967-0475
NSN 6320-01-227-2648
NSN 5925-01-551-1265
NSN 6105-01-502-6541
NSN 6105-01-497-3423
NSN 5985-01-061-0600
NSN 5920-01-520-6122
NSN 6685-01-205-3834