Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number M5M5256BP-12L found under Microcircuit Memory by Mitsubishi Electronics America Inc. The National Stock Number assigned to this part is 5962013667470, 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 M5M5256BP-12L.