5120-01-510-0451 (5345-LL-N03-G438)
5120-01-510-0451 is equivalent to manufacture part number 5345-LL-N03-G438. It is a 300 grit bore lap and is classified under Federal Supply Class 5120 (5120 - Hand Tools, Nonedged), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 5120 - Hand Tools, Nonedged and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.