Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number K911A found under Foil by Illinois Tool Works Inc. The National Stock Number assigned to this part is 9545011931409, and the Federal Supply Class is 9545 Plate Sheet Strip Foil And Wire Precious Metal. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like K911A.