Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number DC712B found under Mouse Data Entry by Hp Hewlett Packard Corp. The National Stock Number assigned to this part is 7025016083515, and the Federal Supply Class is 7025 Adp Input Output And Storage Devices. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like DC712B.