The DIALIGHT 305-1475 is a 3/4" round cap designed for illuminated pushbutton switches and matching panel mount indicators. It's part of the 183 series and is compatible with various caps and legends. The cap is constructed with a clear anodized aluminum base and a high-temperature scratch-resistant plastic cap. It's suitable for front or rear panel mounting and is commonly used in industrial control panels and equipment where visual indication is required. Contact Dialight for legend information.