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 5915-01-204-9053
NSN 5910-01-235-6769
NSN 6620-00-060-6801
NSN 6620-01-474-4951
NSN 5950-00-863-4149
NSN 6130-01-043-1070
NSN 5910-01-094-7391
NSN 6135-01-150-6916
NSN 5895-01-146-0570
NSN 5950-01-112-0085
NSN 6620-01-058-2411
NSN 6240-01-394-8592