Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number T51J166PC3 found under Transformer Power by General Electric Co. The National Stock Number assigned to this part is 5950006465258, and the Federal Supply Class is 5950 Coils And Transformers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like T51J166PC3.