Swing check type
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 4140-01-359-2643
NSN 6650-01-550-5221
NSN 5998-01-594-3533
NSN 2925-01-411-8002
NSN 5950-01-068-3783
NSN 6610-00-202-5481
NSN 5999-00-062-6956
NSN 5920-00-833-7245
NSN 5990-01-032-8368
NSN 4140-00-058-1355
NSN 6320-00-261-9136
NSN 6610-01-173-6323