Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 2B4-200B found under Actuator Electro Me by Mpc Products Corporation. The National Stock Number assigned to this part is 1680013698464, 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 2B4-200B.