Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 186 1311 found under Transformer Power by Simpson Electric Company. The National Stock Number assigned to this part is 5950013022762, 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 186 1311.