Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SM-DD-3604 found under Converter Frequency Electronic by Argon Corp. The National Stock Number assigned to this part is 5963016174569, and the Federal Supply Class is 5963 Electronic Modules. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like SM-DD-3604.