Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SECO7C6 found under Packing Preformed by Seco Seals Inc. The National Stock Number assigned to this part is 5330012457215, 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 SECO7C6.