Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number EJ100-4EP found under Voltage Regulator Subassembly by Westinghouse Electric Corp. The National Stock Number assigned to this part is 6110014321870, and the Federal Supply Class is 6110 Electrical Control Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like EJ100-4EP.