Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number MC-A0049-001 found under Microcircuit Digital by Raytheon E Systems Inc. The National Stock Number assigned to this part is 5962011081966, 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 MC-A0049-001.