Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number MB023664 found under Bearing Roller Self by Messinger Bearings Corporation. The National Stock Number assigned to this part is 3110009545967, 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 MB023664.