Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 443 4 02718 002 found under Microcircuit Memory by Siemens Air Traffic Management. The National Stock Number assigned to this part is 5962010764687, 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 443 4 02718 002.