Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number X2 EXTREME 12 found under Controloptoelectronic Display by Beijer Electronics Inc. The National Stock Number assigned to this part is 5980016880147, and the Federal Supply Class is 5980 Optoelectrical Devices And Associated Hardware. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like X2 EXTREME 12.