3460-00-605-7877 (A39419REVBPC52)
3460-00-605-7877 is equivalent to manufacture part number 37980. It is a lapping block 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.