Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number DM400560056 found under Tape Electronic Data Processing by 3M Company. The National Stock Number assigned to this part is 7045011934991, and the Federal Supply Class is 7045 Adp Supplies. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like DM400560056.