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 5985-01-195-4028
NSN 4140-01-139-4877
NSN 5960-01-495-0859
NSN 5920-00-581-4538
NSN 6620-01-625-2855
NSN 5999-00-112-1501
NSN 5935-01-145-4602
NSN 5910-01-633-9963
NSN 5895-01-195-6446
NSN 6650-01-168-1659
NSN 5945-00-069-3133
NSN 6145-01-469-7640