Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SPX 350 UF TA 19400 found under Powerzsupply by Switching Power Inc. The National Stock Number assigned to this part is 6130015857078, and the Federal Supply Class is 6130 Converters Electrical Non Rotating. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like SPX 350 UF TA 19400.