Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number DD-4618 REF NO 13 found under Gasket by Cunico Corporation. The National Stock Number assigned to this part is 5330010918485, 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 DD-4618 REF NO 13.