Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1219-456 found under Microcircuit Digital by Bae Systems Information And Electronic Systems Integration I. The National Stock Number assigned to this part is 5962010154106, 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 1219-456.