Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 3543418 found under Bearing Ball Stator by Mks Instruments Inc. The National Stock Number assigned to this part is 3110011132171, 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 3543418.