Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number W74067-M3109-L403 found under Microcircuit Digita by Siemens Ag. The National Stock Number assigned to this part is 5962011371500, 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 W74067-M3109-L403.