Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number AH30-131U31772M0D found under Relay Electromagnetic by Cooper Industries Inc. The National Stock Number assigned to this part is 5945008082873, 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 AH30-131U31772M0D.