5120-01-255-7906 (21181-0003-0080)
5120-01-255-7906 is equivalent to manufacture part number 21181-0003-0080. It is a socket wrench socket 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.