5110-00-640-5424 (309)
5110-00-640-5424 is equivalent to manufacture part number 309. It is a firmer chisel and is classified under Federal Supply Class 5110 (5110 - Hand Tools, Edged), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 5110 - Hand Tools, Edged and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.