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 5835-00-289-9080
NSN 5945-01-193-0332
NSN 5975-01-022-9713
NSN 6240-01-419-5923
NSN 6135-01-426-8282
NSN 5985-00-868-1785
NSN 5920-01-219-8792
NSN 5930-01-290-8999
NSN 6650-00-575-7487
NSN 6220-01-143-8943
NSN 7035-01-214-5171
NSN 6320-00-224-3538