Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 4000-2-3-5-40204 found under Analyzer Digital Data Electronic by Acterna Llc. The National Stock Number assigned to this part is 6625013934101, 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 4000-2-3-5-40204.