3 in. Valve size
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 5945-01-348-5490
NSN 6135-00-299-6918
NSN 6145-00-916-9574
NSN 6620-00-115-9050
NSN 5935-01-047-0248
NSN 6610-01-375-1527
NSN 5945-01-322-8580
NSN 6685-01-548-5618
NSN 5950-01-634-0677
NSN 6150-01-242-9055
NSN 6135-01-415-4124
NSN 6645-01-428-3576