Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number RY1124 found under Microcircuit Memory by Fairchild Semiconductor Ltd. The National Stock Number assigned to this part is 5962013774986, 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 RY1124.