Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number AE0S5406-400 found under Scaffold Section Straight by Simtech Inc. The National Stock Number assigned to this part is 5440000356039, and the Federal Supply Class is 5440 Scaffolding Equipment And Concrete Forms. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like AE0S5406-400.