The Littelfuse 880175 is a rotary switch with an 8.5 mm mounting screw that is designed to provide reliable and durable performance in harsh environments. This switch is rated IP67 and IP69K, making it resistant to dust, water, and high-pressure spray downs. With its compact size and rugged construction, the Littelfuse 880175 is perfect for a wide range of industrial and automotive applications where dependable performance is essential.