Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number UPC1678G found under Microcircuit Linear by California Eastern Labs. The National Stock Number assigned to this part is 5962013783904, 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 UPC1678G.