Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 83-1520-1574-5 found under Resistor Variable Nonwire Wound by 3 M Deutschland Gmbh. The National Stock Number assigned to this part is 5905001074881, and the Federal Supply Class is 5905 Resistors. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 83-1520-1574-5.