Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 4912-002 found under Saturable Reactor by Spang And Company. The National Stock Number assigned to this part is 5950009870153, 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 4912-002.