Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SG123AK 5 0 883B found under Microcircuit Linear by Microsemi Corp Integrated Products. The National Stock Number assigned to this part is 5962012718860, 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 SG123AK 5 0 883B.