Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A3199009-1 found under Switch Rf Aircraft by Exelis Inc. The National Stock Number assigned to this part is 1680014826640, 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 A3199009-1.