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 6685-01-504-2428
NSN 6650-00-111-3399
NSN 6620-00-317-7820
NSN 5905-01-222-4113
NSN 6135-00-078-9931
NSN 5985-01-298-3622
NSN 6105-01-467-7002
NSN 5960-01-550-2782
NSN 5935-01-455-5572
NSN 6150-00-188-2958
NSN 5925-01-117-0010
NSN 5920-01-565-2653