Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number PL 6743-01257-01 79 found under Microcircuit Memory by Gec Marconi. The National Stock Number assigned to this part is 5962014405522, 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 PL 6743-01257-01 79.