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 5950-00-073-2292
NSN 6150-01-594-7807
NSN 5905-01-541-9369
NSN 6220-01-006-2619
NSN 7035-01-157-0028
NSN 5965-00-419-9590
NSN 4140-01-223-6079
NSN 6220-01-406-3167
NSN 6620-00-280-2874
NSN 5935-00-753-7895
NSN 5999-00-959-4415
NSN 2925-01-163-6716