Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 28J398PC50-51 found under Ring Thrust Bearing by Westinghouse Electric Corp. The National Stock Number assigned to this part is 2825003371169, and the Federal Supply Class is 2825 Steam Turbines And Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 28J398PC50-51.