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 5915-01-522-2383
NSN 5915-01-451-4332
NSN 5985-01-495-4094
NSN 5910-01-306-1095
NSN 5950-01-396-0806
NSN 5910-01-147-1662
NSN 5960-00-818-7259
NSN 5915-00-099-0347
NSN 5999-01-129-6461
NSN 6620-01-207-0047
NSN 6135-00-835-2330
NSN 6145-01-421-2458