Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 10263-1 found under Microcircuit Digital by Alliant Techsystems Operations Llc. The National Stock Number assigned to this part is 5962010240977, 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 10263-1.