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 4140-01-518-1390
NSN 5998-00-232-2137
NSN 6645-01-012-0424
NSN 6110-01-044-7884
NSN 5855-01-568-4665
NSN 5910-01-487-8330
NSN 4140-00-471-9577
NSN 5975-01-449-1203
NSN 6145-01-143-7498
NSN 6220-01-522-0013
NSN 5915-00-918-7957
NSN 6135-01-010-0891