Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 9T58B44 found under Transformer Potential by I T I Electronics Inc. The National Stock Number assigned to this part is 5950012676569, 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 9T58B44.