Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number W53697-056F found under Seal Plain by Pacific Consolidated Industries. The National Stock Number assigned to this part is 5330015223842, 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 W53697-056F.