Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SDS7120 found under Head Punched Tape Reader by Xerox Corporation. The National Stock Number assigned to this part is 7040000112991, and the Federal Supply Class is 7040 Punched Card Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like SDS7120.