507-4761-3731-500F is a red LED indicator lamp cartridge designed for 28 VDC operation with a stove pipe lens configuration (FIG. 2). The lamp features an aluminum housing with a plastic lens containing an internal Fresnel ring pattern to maximize light output. The device has a cylindrical body with a nominal height of 0.90 inches (22.86 mm) and an anode pin diameter of 0.040 inches (1.02 mm). This RoHS-compliant component is compatible with Dialight 250 and 508 series holders for 0.375-inch mounting holes or 515 series connectors for 9/32-inch mounting holes, making it suitable for industrial control panels, instrumentation displays, and status indication applications.