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 6645-00-392-8728
NSN 6145-00-635-9957
NSN 6320-01-436-0513
NSN 6135-01-317-6021
NSN 5915-00-170-4209
NSN 6685-01-036-6894
NSN 6240-00-946-2173
NSN 5915-01-239-8931
NSN 6240-01-275-9719
NSN 5960-00-263-9913
NSN 6620-01-412-0938
NSN 6150-01-262-5772