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 5965-00-554-4138
NSN 5925-01-095-9990
NSN 4140-00-974-0128
NSN 5930-01-135-9374
NSN 6240-00-260-0399
NSN 5910-00-858-7615
NSN 6320-00-116-3658
NSN 2925-01-159-8312
NSN 6610-01-425-1523
NSN 5975-01-363-4171
NSN 5960-01-278-9394
NSN 5965-00-289-6280