Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 9B2891 found under Plate Assembly by Caterpillar Inc. The National Stock Number assigned to this part is 2010004580206, and the Federal Supply Class is 2010 Ship And Boat Propulsion Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 9B2891.