Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number RA3M4-2FS160A found under Bearing Ball Rod End by Timken Company The. The National Stock Number assigned to this part is 3110001591632, and the Federal Supply Class is 3110 Bearings Antifriction Unmounted. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like RA3M4-2FS160A.