Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 839211-0012 found under Microcircuit Digita by Litton Systems Inc. The National Stock Number assigned to this part is 5962010910557, 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 839211-0012.