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 6105-01-384-3687
NSN 4140-01-133-9011
NSN 5950-00-182-8204
NSN 5935-00-338-4877
NSN 6610-01-138-8417
NSN 5996-01-467-2177
NSN 5915-00-226-6863
NSN 5998-01-169-6221
NSN 6145-01-160-6885
NSN 5905-00-470-8269
NSN 5925-00-401-2739
NSN 6645-00-629-9367