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
NSN 5935-01-234-8446
NSN 5985-01-094-7484
NSN 5915-01-178-9616
NSN 5996-00-145-8174
NSN 6145-01-650-5713
NSN 5999-01-372-6770
NSN 5855-00-185-1560
NSN 6645-01-376-2336
NSN 6220-01-547-0271
NSN 6620-01-483-1138
NSN 5998-00-339-4148