Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number TMO-30315E2T2 326174 3KW480V3PH found under Heating Element Electrical Immer by Chromalox Corp. The National Stock Number assigned to this part is 4520016242891, 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 TMO-30315E2T2 326174 3KW480V3PH.