Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number TA25DU4.0 found under Relay Thermal by Abb Control Inc. The National Stock Number assigned to this part is 5945013975525, and the Federal Supply Class is 5945 Relays And Solenoids. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like TA25DU4.0.