Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 15245 found under Bearing Cup Outer S by Zwick Energy Researach Organization. The National Stock Number assigned to this part is 3110013856124, 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 15245.