Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number HC-26-88-39-13-7 found under Plate Identificatio by Hesse Corp. The National Stock Number assigned to this part is 9905000208512, 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 HC-26-88-39-13-7.