Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number AH5123 found under Gage Depth Rule by Myers Tire Supply Distribution Inc. The National Stock Number assigned to this part is 5210013763861, and the Federal Supply Class is 5210 Measuring Tools Craftsmens. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like AH5123.