Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 181C2-2SP found under Sander Belt Combination Vertical by Eastman Machine Co. The National Stock Number assigned to this part is 3220015026337, and the Federal Supply Class is 3220 Woodworking Machines. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 181C2-2SP.