Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 4013583-6 found under Seal Door Support by Cessna Aircraft Company. The National Stock Number assigned to this part is 5330001054427, 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 4013583-6.