Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number RGR390FX6UL found under Bearing Shell by Westinghouse Electric Corp. The National Stock Number assigned to this part is 2010003915853, and the Federal Supply Class is 2010 Ship And Boat Propulsion Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like RGR390FX6UL.