Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number RPDA-55 found under Computer Digital Mission Planner by Talla Com Tallahassee. The National Stock Number assigned to this part is 7021015733320, and the Federal Supply Class is 7021 Adp Central Processing Unit Cpu Computer Digital. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like RPDA-55.