Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 82101920 1 found under Microcircuit Memory by Drs Training And Control Systems Llc. The National Stock Number assigned to this part is 5962012208140, 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 82101920 1.