Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 4W13042 103A found under Seal Surface Wing by Precision Molded Products Inc. The National Stock Number assigned to this part is 5330004393247, 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 4W13042 103A.