Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 233-00-449 found under Gear Assembly Speed by Monogram Aerospace Fasteners Inc. The National Stock Number assigned to this part is 3010002418103, 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 233-00-449.