Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number R2C3 found under Milling Machine Vertical by Bridgeport Machines. The National Stock Number assigned to this part is 3417011412815, and the Federal Supply Class is 3417 Milling Machines. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like R2C3.