Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number KC20-01-9124 found under Resistor Variable Nonwire Wound Nonprecision by Sensor Systems Inc. The National Stock Number assigned to this part is 5905010441123, 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 KC20-01-9124.