3M™ Non-Insulated Butted Seam Female Disconnect, 71F-187-20, Max. Temp. 347 °F (175 °C) for bare terminals. 3M™ Standard Female Disconnect Terminals have dents and rolled edges to offer great holding force while allowing for quick and easy disconnect. The terminal has a nylon-insulated, butted-seam barrel and withstands temperatures of -40 to 221 degrees F (-40 to 105 degrees C). Its durable brass construction offers good conductivity and a tin-plated finish resists corrosion.