Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number LW-10541 found under Gear Assembly Speed by Textron Lycoming Inc. The National Stock Number assigned to this part is 3010013545543, and the Federal Supply Class is 3010 Torque Converters And Speed Changers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like LW-10541.