Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number NAV80-13 found under Gasket by Thompson Emery Machine And Supply Co. The National Stock Number assigned to this part is 5330009569223, and the Federal Supply Class is 5330 Packing And Gasket Materials. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like NAV80-13.