Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number R1550M12-2 found under Actuator Fuel Pump by Texstars Llc. The National Stock Number assigned to this part is 1680006827144, 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 R1550M12-2.