5120-00-090-4386 (188-6)
5120-00-090-4386 is equivalent to manufacture part number 188-6. It is a gage 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.