Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number C8251B found under Microcircuit Digital by Acr Electronics Inc. The National Stock Number assigned to this part is 5962010567070, and the Federal Supply Class is 5962 Microcircuits Electronic. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like C8251B.