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 6650-01-472-7862
NSN 6110-01-181-6216
NSN 6220-00-554-5937
NSN 6610-01-429-7267
NSN 5975-01-365-2180
NSN 5905-01-352-5824
NSN 5990-00-740-0249
NSN 6110-00-553-1853
NSN 5960-00-736-8568
NSN 5998-01-394-3797
NSN 6610-00-943-3136
NSN 4140-01-492-4797