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 6620-00-350-5817
NSN 5965-01-464-3372
NSN 5925-01-469-6068
NSN 6240-01-377-2560
NSN 5930-00-564-2903
NSN 6150-00-578-1952
NSN 5999-01-125-3397
NSN 5990-01-118-8624
NSN 5945-01-604-3822
NSN 6620-01-460-2788
NSN 5965-01-630-5329
NSN 5975-01-158-6150