Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number MT14-1223 found under Carrier Gear Assemb by Marmon Herrington Company Inc. The National Stock Number assigned to this part is 3010015706026, 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 MT14-1223.