Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number T1-1T KK81 found under Transformer Radio F by Scientific Components Corp. The National Stock Number assigned to this part is 5950014314604, 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 T1-1T KK81.