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 6105-01-629-4302
NSN 6685-00-250-5426
NSN 5985-01-484-3096
NSN 5999-00-244-9513
NSN 6620-01-167-0881
NSN 5915-01-468-6100
NSN 5910-00-010-9853
NSN 7035-01-213-5590
NSN 5990-00-910-0027
NSN 6150-00-083-3422
NSN 5990-00-923-0848
NSN 5835-01-065-3316