Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number R2051S03 E2 F found under Microcircuit Linear by Ricoh Americas Corporation. The National Stock Number assigned to this part is 5962016568747, and the Federal Supply Class is 5962 Microcircuits Electronic. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like R2051S03 E2 F.