Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number CA143B16559 found under Packing Preformed by Carol Electronics Div Of Watson. The National Stock Number assigned to this part is 5330002522374, 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 CA143B16559.