Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number HR5764AA found under Codec Data Signal by Cassidian Sas. The National Stock Number assigned to this part is 7025014119886, 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 HR5764AA.