Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number MET-0-300-115A found under Relay Solid State by Electronic Controls Co. The National Stock Number assigned to this part is 5945011198506, 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 MET-0-300-115A.