Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 963 4004 4010 found under Microcircuit Digita by Alenia Aermacchi Spa. The National Stock Number assigned to this part is 5962012585907, 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 963 4004 4010.