Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number X38E20 found under Brush Electrical Co by Westinghouse Electric Corp. The National Stock Number assigned to this part is 5977010171704, and the Federal Supply Class is 5977 Electrical Contact Brushes And Electrodes. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like X38E20.