Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number CWK683-6ITEMS found under Seal Plain Encased by Walz And Krenzer Inc. The National Stock Number assigned to this part is 5330002458032, 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 CWK683-6ITEMS.