Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number RS389X2A found under Resistor Thermal by Cole Parmer Instrument Co. The National Stock Number assigned to this part is 5905014136805, 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 RS389X2A.