Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 17WB1-2277 found under Resistor Variable Nonwire Wound by Servo Instrument Corporation. The National Stock Number assigned to this part is 5905005023377, 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 17WB1-2277.