1577649-1 is a closed ring tongue terminal designed for secure electrical connections in wire termination applications. This STRATO-THERM series terminal accommodates 10 AWG wire (12066 CMA) and fits 5/16 / M8 studs with an 8.34 mm stud diameter. It features a closed barrel construction with straight orientation, nickel plating for corrosion resistance, and partial insulation with a black insulation sleeve. The terminal operates over a temperature range of 0–260°C and has a product length of 34.5 mm. Common applications include industrial wiring, automotive, and electrical equipment where reliable ring terminal connections are required.