Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number TSC-2020A found under Power Supply by Symmetricom Inc. The National Stock Number assigned to this part is 6130014074689, and the Federal Supply Class is 6130 Converters Electrical Non Rotating. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like TSC-2020A.