Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 3997-035 found under Plate Retaining Bearing by Turner Engine Controls A Division Of. The National Stock Number assigned to this part is 3110014243630, 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 3997-035.