Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 8819 found under Transformer Assembly by Brunson Instrument Company Inc. The National Stock Number assigned to this part is 5950004107780, 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 8819.