Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 2W9-D511-147L found under Gear Spur by Mpc Products Corporation. The National Stock Number assigned to this part is 3020012038101, 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 2W9-D511-147L.