Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number D4568-1T016 found under Tower by Chief Of Engineers. The National Stock Number assigned to this part is 5445001326676, and the Federal Supply Class is 5445 Prefabricated Tower Structures. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like D4568-1T016.