Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1159 48 40-0018 found under Microcircuit Digital by Ahearn And Soper Co Inc. The National Stock Number assigned to this part is 5962010138538, 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 1159 48 40-0018.