Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SA501SPECIAL found under Microcircuit Linear by Sylvania Electric Products Inc. The National Stock Number assigned to this part is 5962007640692, 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 SA501SPECIAL.