1577961-1 is a closed ring tongue terminal designed for secure wire-to-stud connections in electrical applications. It accommodates 24–22 AWG wire sizes (.205–.326 mm²) and features a #2 stud with 2.36 mm (.093 in) diameter, closed barrel construction, and straight orientation with nickel plating for corrosion resistance. The terminal has a product length of 18.04 mm (.71 in) and tongue thickness of .79 mm (.031 in), with compatible insulation diameter range of .89–1.9 mm (.035–.075 in). It is rated for 1 A current and operates across a temperature range of 0–260 °C (0–500 °F), making it suitable for automotive, industrial, and general electrical wiring applications requiring reliable mechanical and electrical connections.