Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 380B121 found under Relay Electromagnet by General Dynamics Corporation. The National Stock Number assigned to this part is 5945002049612, 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 380B121.