Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number MC1660L found under Microcircuit Digital by Motorola Uk Sales Ltd Motorola. The National Stock Number assigned to this part is 5962002164137, 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 MC1660L.