Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number M12003 found under Shielding Gasket Electronic by Spectro Inc. The National Stock Number assigned to this part is 5999014452170, and the Federal Supply Class is 5999 Miscellaneous Electrical And Electronic Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like M12003.