Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number UC1842J found under Microcircuit Linear by Micro Uspd Inc. The National Stock Number assigned to this part is 5962012909427, 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 UC1842J.