Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 57 0018 found under Core Electromagneti by Stackpole Corp The. The National Stock Number assigned to this part is 5950012546685, 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 57 0018.