Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number B77T0320-0133 found under Microcircuit Linear by Mcdonnell Douglas. The National Stock Number assigned to this part is 5962010650876, 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 B77T0320-0133.