5133-00-540-6690 (2020)
5133-00-540-6690 is equivalent to manufacture part number 2020. It is a countersink and is classified under Federal Supply Class 5133 (5133 - Drill Bits and Countersinks), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 5133 - Drill Bits and Countersinks and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.