Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number G7425-21A found under Seal Plain by F W Lang Co. The National Stock Number assigned to this part is 5330000722948, 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 G7425-21A.