Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number HA134 found under Transformer Audio F by United Transformer Corp Sub Of O. The National Stock Number assigned to this part is 5950005381236, 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 HA134.