Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A1103-2-2 found under Panel Structural by L 3 Communications Essco Inc. The National Stock Number assigned to this part is 5680012892120, and the Federal Supply Class is 5680 Miscellaneous Construction Materials. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like A1103-2-2.