Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number B80-91AB found under Keyboard Data Entry by Cherry Electrical. The National Stock Number assigned to this part is 7025010943942, 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 B80-91AB.