Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number R63870C11E3792-1 found under Relay Electromagnetic by Unifab Industries Inc. The National Stock Number assigned to this part is 5945009059222, 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 R63870C11E3792-1.