Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 741 6040 found under Resistor Variable Wire Wound Nonprecision by Servo Instrument Corporation. The National Stock Number assigned to this part is 5905007024669, 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 741 6040.