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 5920-01-097-9927
NSN 2925-01-327-3069
NSN 5975-01-594-4389
NSN 6145-01-208-6876
NSN 6240-00-018-8028
NSN 5960-01-481-1572
NSN 2925-01-025-0082
NSN 5925-01-420-8518
NSN 2925-00-319-1304
NSN 4140-01-542-7620
NSN 5910-00-792-8182
NSN 5996-00-193-0585