Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number TMC-7-428580010 found under Transformer Power Autotransforme by Dynapower Company Llc. The National Stock Number assigned to this part is 6120015506307, and the Federal Supply Class is 6120 Transformers Distribution And Power Station. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like TMC-7-428580010.