Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number R0F 131 4507 1 found under Computer Digital by Ericsson Components Inc. The National Stock Number assigned to this part is 7021014516397, and the Federal Supply Class is 7021 Adp Central Processing Unit Cpu Computer Digital. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like R0F 131 4507 1.