Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number CIU-7 found under Control Switch Unit by Ar Worldwide Reciever Systems Llc. The National Stock Number assigned to this part is 5963012456677, and the Federal Supply Class is 5963 Electronic Modules. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like CIU-7.