Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number AH30-131U20 found under Contactor Magnetic by Cooper Industries Inc. The National Stock Number assigned to this part is 6110001279957, and the Federal Supply Class is 6110 Electrical Control Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like AH30-131U20.