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 4140-00-468-5342
NSN 6130-01-032-7235
NSN 6645-00-505-6026
NSN 5960-00-080-9824
NSN 6685-01-322-6429
NSN 7035-01-361-8821
NSN 5905-01-060-0389
NSN 5990-00-083-8893
NSN 7035-00-235-3529
NSN 5935-01-051-7882
NSN 5975-01-216-1461
NSN 6135-00-896-3187