A cylindrical metallic body of either solid or hollow construction, containing bearings and/or shafts and the like which provides the rolling elements to guide and support a track-type vehicle along its track.
Classification: Parts, nesoi, of machinery of heading 8429 or 8430
NSN 5835-00-969-5771
NSN 5945-01-106-1167
NSN 6320-01-087-7961
NSN 5960-01-003-8480
NSN 5930-00-117-0282
NSN 6135-00-087-5300
NSN 5999-01-094-5666
NSN 6610-01-600-5111
NSN 4140-01-031-9524
NSN 6135-01-079-7852
NSN 6105-01-201-9260
NSN 5855-00-165-3093