Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 8663-2IN CLEAR found under Tape Pressure Sensitive Adhesive by 3M Company. The National Stock Number assigned to this part is 7510016706959, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 8663-2IN CLEAR.