The DIALIGHT 908-1634 is a cylindrical lens switch designed for industrial applications requiring durable and illuminated pushbuttons. Featuring a blue lens with Fresnel rings, it provides excellent visibility and a distinct visual indication. Constructed with a black anodized aluminum base and a high-impact plastic cap, this switch is built to withstand harsh environments. It is RoHS compliant and offers reliable momentary action, making it suitable for a wide range of control panel and equipment applications. The switch utilizes a knurled flanged nut and internal tooth lock washer for secure mounting.