Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number B2889-01 found under Resistor And Board by Kelly Manufacturing Company. The National Stock Number assigned to this part is 6615000181910, and the Federal Supply Class is 6615 Automatic Pilot Mechanisms And Airborne Gyro Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like B2889-01.