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 5855-01-241-1054
NSN 6220-01-114-7420
NSN 5855-01-252-5424
NSN 5965-00-913-9545
NSN 5935-01-169-4627
NSN 5998-01-534-4240
NSN 6105-01-537-4915
NSN 5999-01-052-3527
NSN 5960-00-170-6916
NSN 6130-01-127-5436
NSN 5985-00-157-6025
NSN 5835-00-247-0161