3460-01-513-1053 (AT-489B-2)
3460-01-513-1053 is equivalent to manufacture part number AT-489B-2. It is a counterbore pilot and is classified under Federal Supply Class 3460 (3460 - Machine Tool Accessories), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 3460 - Machine Tool Accessories and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.