Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number C40-1 found under by 313 Aerospace Llc. The National Stock Number assigned to this part is 5945004969708, 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 C40-1.