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 6135-00-062-5080
NSN 4140-01-140-6781
NSN 5925-01-600-0250
NSN 5985-01-372-6098
NSN 6610-00-080-0185
NSN 5920-01-109-3117
NSN 5915-01-281-7553
NSN 6620-00-098-5652
NSN 5950-01-450-6433
NSN 5950-00-372-5591
NSN 5975-01-536-7413
NSN 6110-00-523-6887