Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number ASTM A653 found under Paneling Material Building by Mic Industries Inc. The National Stock Number assigned to this part is 5450013535768, and the Federal Supply Class is 5450 Miscellaneous Prefabricated Structures. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like ASTM A653.