Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 2R9231B found under Actuator Mechanical by Mpc Products Corporation. The National Stock Number assigned to this part is 1680016507281, 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 2R9231B.