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 5945-00-739-8284
NSN 6110-00-855-5695
NSN 6320-01-426-8947
NSN 6135-01-041-3829
NSN 4140-01-050-9194
NSN 6320-00-004-9158
NSN 6320-01-416-9357
NSN 6650-00-183-9648
NSN 6650-01-231-2082
NSN 6650-00-494-8671
NSN 5920-01-169-1322
NSN 5990-01-421-5342