Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number DURLON 8500 1 64 found under Paper Gasket by Durabla Mfg Co. The National Stock Number assigned to this part is 5330013639273, 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 DURLON 8500 1 64.