Valve size 4.000 in.
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 iron
NSN 5905-00-209-9776
NSN 5895-01-561-5532
NSN 2925-01-187-5480
NSN 6150-00-007-1774
NSN 5855-01-513-7561
NSN 6610-01-219-3168
NSN 6240-00-740-8901
NSN 5905-01-614-3303
NSN 6135-00-455-2425
NSN 5915-01-221-2695
NSN 4140-01-485-3321
NSN 5920-01-252-8660