Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number E15-169D163 found under Gear Spur by Cae Usa Inc. The National Stock Number assigned to this part is 3020003954189, and the Federal Supply Class is 3020 Gear Pulley Sprocket And Transmission Chain. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like E15-169D163.