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 6110-01-099-4334
NSN 6685-01-121-0572
NSN 6650-01-063-7714
NSN 6320-01-652-3806
NSN 5935-00-870-6317
NSN 6150-01-264-2426
NSN 5945-01-494-4297
NSN 5999-01-430-2229
NSN 6220-01-247-2290
NSN 5990-01-527-7640
NSN 5930-00-222-3770
NSN 6320-00-857-4073