Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 664 8057 010 found under Transformer Pulse by Rockwell Collins Inc. The National Stock Number assigned to this part is 5950010306747, 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 664 8057 010.