Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 223KD 210 found under Bearing Washer Thrust by Mack Trucks Inc. The National Stock Number assigned to this part is 3120015480408, 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 223KD 210.