Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number MA0638-001 found under Microcircuit Memory by Redcom Laboratories Inc. The National Stock Number assigned to this part is 5962015373900, 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 MA0638-001.