Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 2688416 found under Roller Linear Rotary Motion by Tec Design And Manufacturing Inc. The National Stock Number assigned to this part is 3120011988761, and the Federal Supply Class is 3120 Bearings Plain Unmounted. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 2688416.