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 steel
NSN 4140-01-468-0476
NSN 6220-01-326-7204
NSN 5998-00-942-1943
NSN 6220-00-960-7591
NSN 5975-01-324-7202
NSN 5975-01-146-4240
NSN 5925-01-152-2690
NSN 5960-01-448-3497
NSN 6320-01-029-4220
NSN 5835-01-632-6627
NSN 5975-01-590-9816
NSN 5945-01-472-2099