Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 12187300 found under Transformer Power by Syntegra Usa Inc. The National Stock Number assigned to this part is 5950010710301, 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 12187300.