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 5835-00-155-1379
NSN 6105-01-634-0322
NSN 6610-01-269-3070
NSN 6320-01-527-0211
NSN 6620-00-080-2847
NSN 6135-00-016-0071
NSN 6685-00-186-9190
NSN 5998-00-189-0350
NSN 5930-00-057-2637
NSN 6645-01-577-7932
NSN 6150-01-488-0073
NSN 6685-00-401-8558