3M™ Scotchlok™ Female Disconnect, Nylon Insulated w/Insulation Grip MNG14-187DFK, 16-14 AWG, MNG14-187DFK, 1000/Case. 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.