Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number UPD27C512 found under Microcircuit Memory by Nec Electronics U S A Inc. The National Stock Number assigned to this part is 5962013636860, 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 UPD27C512.