Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number BRG-0640 found under Bearing Half Sleeve by C M P Corporation. The National Stock Number assigned to this part is 3120009616216, 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 BRG-0640.