Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number DIN5401-1 2IN found under Ball Bearing by Din Deutsches Institut Fuer Norm. The National Stock Number assigned to this part is 3110012486071, 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 DIN5401-1 2IN.