Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number AS198220M2 found under Bearing Half Sleeve by Aircraft Supplies. The National Stock Number assigned to this part is 3120002128612, 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 AS198220M2.