5133-01-560-7869 (MM290-10L)
5133-01-560-7869 is equivalent to manufacture part number MM290-10L. It is a reverse 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.