Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 3490-5130M20G3 found under Transformer Power by Kln Steel Products Company Llc. The National Stock Number assigned to this part is 5950003542494, 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 3490-5130M20G3.