Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number R4ZZ-2A3M found under Bearing Ball Annular by Minebea Co Ltd. The National Stock Number assigned to this part is 3110012193596, and the Federal Supply Class is 3110 Bearings Antifriction Unmounted. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like R4ZZ-2A3M.