Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A4864-3 found under Coil Transformer by Electrometrics. The National Stock Number assigned to this part is 5950010915156, 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 A4864-3.