Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 678 0312 010 found under Reactor by Torotel Inc. The National Stock Number assigned to this part is 5950010620617, 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 678 0312 010.