The DIALIGHT 123 series neon lamp, specifically part number 123-0408-12-143, is a watertight lamp designed for industrial applications where protection from oil and moisture is critical. Its mini bayonet configuration and solder terminal type provide a secure and reliable connection. The 11/16" mounting hole size ensures compatibility with a wide range of fixtures. This lamp is suitable for use in signage, indicators, and other applications requiring a durable and long-lasting neon light source.