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 6130-01-208-8935
NSN 6135-01-230-4399
NSN 5920-00-983-8630
NSN 6620-01-265-2887
NSN 5835-00-251-9138
NSN 5950-01-657-4245
NSN 5920-01-301-7144
NSN 6220-01-576-2625
NSN 6620-00-421-4361
NSN 5920-01-257-0062
NSN 7035-00-064-7008
NSN 6105-01-435-7254