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 6240-01-019-1997
NSN 5999-01-603-9219
NSN 6610-01-443-4055
NSN 5998-01-519-2438
NSN 6685-00-916-5583
NSN 5965-01-286-6548
NSN 7035-01-544-1019
NSN 5998-00-152-0046
NSN 6240-00-275-1950
NSN 5910-01-062-6468
NSN 6620-01-197-0386
NSN 5930-00-546-0837