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 4140-01-430-9530
NSN 5925-00-706-9975
NSN 6110-01-269-5943
NSN 5965-00-518-0958
NSN 5920-00-149-1469
NSN 6220-01-557-5972
NSN 6610-00-109-9519
NSN 6685-00-299-8496
NSN 5945-00-862-3979
NSN 5855-00-401-3442
NSN 4140-00-753-9204
NSN 6150-01-588-5280