A mechanism consisting primarily of a heavy weight with a sheave at one end, together with tracks on which the weight rides, for attaching inside a crane boom, or a mechanism consisting of a spring actuated wheel attached to one or two tubular axles having two sheaves affixed thereto, for attaching to a crane boom. It is used to steady clamshell buckets, lifting magnets, and the like.
Classification: Parts of backhoes, shovels, clamshells and draglines
NSN 5930-01-465-2884
NSN 5905-01-475-6541
NSN 6130-01-068-5031
NSN 5996-01-167-9234
NSN 5835-00-419-0575
NSN 5950-01-585-4303
NSN 6320-00-937-5625
NSN 5996-00-882-9768
NSN 5999-01-194-7415
NSN 4140-01-145-5925
NSN 4140-01-529-4722
NSN 6645-00-991-8704