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 5960-00-148-4493
NSN 2925-00-132-1280
NSN 5895-00-177-3610
NSN 5920-00-541-1119
NSN 6620-01-546-4942
NSN 6220-00-174-8514
NSN 5910-00-409-1146
NSN 5920-01-294-0405
NSN 5998-00-509-1445
NSN 5910-00-985-5185
NSN 5950-00-059-4816
NSN 6620-00-486-6443