3M™ Scotchlok™ Female Disconnect, Nylon Fully Insulated Butted Seam w/Interlocking Barrel MNI18-250DFIK, 22-18 AWG. 3M™ Scotchlok™ Color-Coded Female Disconnect Terminal has dents and rolled edges for quick and easy disconnect. The terminal has a fully insulated, nylon, butted seam with an interlocking 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.