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 5990-01-243-4233
NSN 5835-01-272-4087
NSN 6145-00-202-8570
NSN 6685-01-422-9857
NSN 5990-00-075-4053
NSN 4140-01-363-3861
NSN 6620-00-349-4703
NSN 5895-00-804-9421
NSN 5935-01-484-9808
NSN 5950-01-326-2781
NSN 5996-00-413-4416
NSN 7035-00-232-4043