F09A250V1AS is a military-qualified instrument fuse designed to meet MIL-F-15160 specifications for power and telephone applications. Based on the part number designation, this fuse is rated for 250V at 1A, providing overcurrent protection in military and aerospace systems. The fuse conforms to Military Standard MIL-F-15160 and is manufactured by Bussmann (Cooper Bussmann), a recognized supplier of military-qualified electrical components. These fuses are used in instrument circuits, power distribution systems, and telecommunications equipment where reliable fault protection and military qualification are required. The product is part of a comprehensive military fuse product line that includes various voltage and current ratings to support diverse defense and aerospace applications.