Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number B34A0013-0123 found under Microcircuit Digita by Mcdonnell Douglas. The National Stock Number assigned to this part is 5962011836792, 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 B34A0013-0123.