Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 20600D39 20 L120 1 5 found under Resistor Thermal by Texas Instruments Inc. The National Stock Number assigned to this part is 5905010780353, 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 20600D39 20 L120 1 5.