Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number DPUA0443 found under Data Display Group by Altair Avionics Corp. The National Stock Number assigned to this part is 6610015027106, and the Federal Supply Class is 6610 Flight Instruments. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like DPUA0443.