Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number KP20AFS464 found under Bearing Ball Airframe by Industrial Tectonics Bearings Co. The National Stock Number assigned to this part is 3110000278143, and the Federal Supply Class is 3110 Bearings Antifriction Unmounted. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like KP20AFS464.