Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number UIDP474HC139 found under Microcircuit Digital by Wayne Kerr Electronics Inc. The National Stock Number assigned to this part is 5962013855482, 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 UIDP474HC139.