Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 8663-A-1808 found under Guy by L 3 Communications Essco Inc. The National Stock Number assigned to this part is 4010014289246, and the Federal Supply Class is 4010 Chain And Wire Rope. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 8663-A-1808.