Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 301T1-12B1 found under Relay Solid State by Se Relays Llc Magnecraft. The National Stock Number assigned to this part is 5945010414956, 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 301T1-12B1.