The 249-7867-3331-504F is a red LED panel mount indicator from the 249 series. It is designed to operate on a 5V DC supply, drawing 20 mA of current to produce a luminous intensity of 55 mcd. This indicator features a durable black anodized aluminum housing, a cylindrical lens that provides a wide viewing angle, and turret terminals for wire wrapping connections. It is engineered for installation in a 0.375-inch mounting hole on panels up to 0.312 inches thick. Common applications include main power indication, status lights, warning signals, instrumentation, and process control panels.