Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number PRG291477-9 found under Microcircuit Memory by Raytheon Technical Services Company. The National Stock Number assigned to this part is 5962013513066, 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 PRG291477-9.