Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number T5001WS1603 found under Relay Electromagnetic by Tempo Instrument Inc. The National Stock Number assigned to this part is 5945000635881, 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 T5001WS1603.