Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number UCN5801A-D found under Microcircuit Digita by Sprague Electric Co. The National Stock Number assigned to this part is 5962011899528, 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 UCN5801A-D.