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 5930-00-035-8513
NSN 5915-00-665-2854
NSN 5835-00-106-2120
NSN 6610-01-307-6363
NSN 6150-01-324-4717
NSN 7035-00-337-8745
NSN 5998-01-357-6348
NSN 5998-01-304-6111
NSN 6620-01-519-2628
NSN 5990-01-537-1124
NSN 5998-01-241-6049
NSN 6650-01-459-8703