Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number B650-4100 found under Resistor Variable N by Raven Electronics Corporation. The National Stock Number assigned to this part is 5905012453380, 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 B650-4100.