Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 9B8084 found under Gear Spur by Caterpillar Inc. The National Stock Number assigned to this part is 3020004964666, 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 9B8084.