Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number C7974A found under Tape Electronic Data Processing by Hewlett Packard Australia Ltd. The National Stock Number assigned to this part is 7045015644518, 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 C7974A.