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 6105-01-206-3738
NSN 5999-01-567-6808
NSN 5915-00-587-2521
NSN 6145-01-604-6282
NSN 6220-00-753-8593
NSN 5999-00-269-5320
NSN 6320-01-478-9351
NSN 5950-01-552-0031
NSN 6610-01-420-3780
NSN 5925-01-512-1651
NSN 6620-01-535-4358
NSN 5910-00-925-4496