Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number XL1203B060 found under Bearing Half Sleeve by Bunting Bearings Llc. The National Stock Number assigned to this part is 3120003394604, 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 XL1203B060.