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 6685-00-421-4441
NSN 5996-00-126-6139
NSN 6645-01-615-4448
NSN 5905-01-563-1926
NSN 5835-01-068-6976
NSN 6135-01-359-5798
NSN 6105-01-502-8831
NSN 5985-00-687-1046
NSN 6240-01-565-6276
NSN 5920-00-074-4654
NSN 5905-01-449-0369
NSN 5985-01-226-7831