5120-01-390-4385 (820-5259960PC11A-180GR)
5120-01-390-4385 is equivalent to manufacture part number 820-5259960PC11A-180GR. It is a special diamond seat 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.