Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number MA2003-1000-03 found under Relay Electromagnetic by Advanced Digital Inc. The National Stock Number assigned to this part is 5945011054862, 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 MA2003-1000-03.