Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 247-6020 found under Seal Plain by Unac. The National Stock Number assigned to this part is 5330015961705, 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 247-6020.