Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number AA 2102 3 MOD TO 1 1 2IN LG found under Bearing Sleeve by Beemer Precision Inc. The National Stock Number assigned to this part is 3120016422359, 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 AA 2102 3 MOD TO 1 1 2IN LG.