Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number EX4AD016 found under Relay Electromagnetic by Leach International Corporation. The National Stock Number assigned to this part is 5945000602248, 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 EX4AD016.