Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 2160240 found under Seal Plain by Hader Seitz Inc. The National Stock Number assigned to this part is 5330008541591, 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 2160240.