Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number MCM6571L found under Microcircuit Hybrid by Aydin Corp. The National Stock Number assigned to this part is 5962011526783, 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 MCM6571L.