Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 00MM9 found under Gage Thickness by Stanley Proto Industrial Tools. The National Stock Number assigned to this part is 5210013999334, 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 00MM9.