Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 2066-2258 found under Amplifier Subassembly by Raytheon Service Co Logistics Su. The National Stock Number assigned to this part is 5996009609245, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 2066-2258.