Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 3.520 found under Control Motor Gener by Transtechnik Gmbh. The National Stock Number assigned to this part is 6110123456331, and the Federal Supply Class is 6110 Electrical Control Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 3.520.