Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number MAG5664-237 found under Torque Tube Assembly Aircraft by Speco Corp. The National Stock Number assigned to this part is 1680009584934, 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 MAG5664-237.