Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number R450191-1 found under Actuator Electro Mechanical Line by Raytheon Company. The National Stock Number assigned to this part is 1680001195369, and the Federal Supply Class is 1680 Miscellaneous Aircraft Accessories And Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like R450191-1.