Painted gray
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 5985-01-634-0635
NSN 5935-01-003-8602
NSN 5998-01-400-3231
NSN 5945-01-096-7218
NSN 5910-00-164-2978
NSN 6320-00-483-0451
NSN 6610-01-464-3037
NSN 5945-01-112-5632
NSN 5920-01-642-6671
NSN 4140-01-060-2960
NSN 6620-01-631-0700
NSN 5930-01-385-2385