Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number B122200-1020 found under Resistor Fixed Film by Butler National Corp. The National Stock Number assigned to this part is 5905000510134, 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 B122200-1020.