Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 3TX4422-2A found under Relay Electromagnetic by Wilhelmsen Callenberg A S. The National Stock Number assigned to this part is 5945014317655, 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 3TX4422-2A.