Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 259491C1 found under Bearing Washer Thrust by Navistar Intl Corp. The National Stock Number assigned to this part is 3120007359088, and the Federal Supply Class is 3120 Bearings Plain Unmounted. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 259491C1.