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 6320-01-220-2264
NSN 6110-00-819-0574
NSN 6610-01-545-0766
NSN 6135-01-348-4056
NSN 6135-00-660-8654
NSN 5990-01-118-0151
NSN 5930-00-950-3928
NSN 5999-01-015-1129
NSN 5998-01-525-8987
NSN 5905-01-352-5824
NSN 5905-01-529-7814
NSN 5910-01-391-7180