Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 4W13066-103A found under Seal Assembly Wing by Kirkhill Ta Co. The National Stock Number assigned to this part is 1560007608013, and the Federal Supply Class is 1560 Airframe Structural Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 4W13066-103A.