Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 056-000440 found under Reactor by Johnson Electric Coil Co. The National Stock Number assigned to this part is 5950008939416, 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 056-000440.