Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 340-640-6921001 found under Light Cockpit Aircr by Korry Electronics Co. The National Stock Number assigned to this part is 1680014800342, and the Federal Supply Class is 1680 Miscellaneous Aircraft Accessories And Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 340-640-6921001.