Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 9F5163 found under Generator Engine Accessory by Caterpillar Inc. The National Stock Number assigned to this part is 2920006280625, and the Federal Supply Class is 2920 Engine Electrical System Components Nonaircraft. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 9F5163.