Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number ATGF6SS012 found under Bearing Sleeve by New Hampshire Ball Bearings Inc. The National Stock Number assigned to this part is 3120000018263, 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 ATGF6SS012.