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 5910-00-072-9315
NSN 6645-01-569-0491
NSN 5945-01-619-4458
NSN 7035-01-364-8454
NSN 5998-01-270-3425
NSN 5905-01-415-0869
NSN 5996-01-346-1099
NSN 5895-01-442-5818
NSN 6240-00-287-1988
NSN 5975-01-465-7641
NSN 5975-01-442-3120
NSN 5960-01-512-0233