Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SDC40XT-S-2 found under Converter Synchro Data by Computer Conversions Corporation. The National Stock Number assigned to this part is 4920010765161, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like SDC40XT-S-2.