Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number D6TK7 found under Tube Ballast by Amperite Co Inc. The National Stock Number assigned to this part is 5905000140596, and the Federal Supply Class is 5905 Resistors. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like D6TK7.