Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 3RF2190-3AA06 found under Relay Solid State by Siemens Energy And Automation Inc. The National Stock Number assigned to this part is 5945015894645, 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 3RF2190-3AA06.