Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 81 6407 found under Seal Plain by Federal Mogul Goetze Gmbh. The National Stock Number assigned to this part is 5330121988768, 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 81 6407.