The DIALIGHT 1280971003 is a durable, water-tight incandescent indicator designed for demanding industrial environments. Its robust construction, featuring a lockwasher and nut mounting method, ensures secure and reliable operation. Compliant with MIL-L-3661B, this indicator provides a dependable visual signal in various applications, including machinery, equipment, and control panels. The indicator is suitable for panel thicknesses of 11/64 inches.