Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number DFM-7-75 found under Heating Element Electrical Nonim by Valad Electric Heating Corp. The National Stock Number assigned to this part is 4520010097581, 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 DFM-7-75.