Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number MMC2197 found under Transformer Audio Frequency by Merrimack Magnetics Corp. The National Stock Number assigned to this part is 5950009301301, 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 MMC2197.