TE Connectivity Mil Spec PLASTI-GRIP Ring Tongue Wire Crimp Terminals PLASTI-GRIP Mil Spec closed barrel ring tongue wire crimp terminals made of high conductivity tin plated copper with an expanded high dielectric strength 94V-0 rated vinyl insulation sleeve. The inner barrel of these PLASTI-GRIP closed barrel ring tongue crimp terminals is serrated in order to provide maximum electrical contact and tensile strength after crimping. The funneled entry on the wire barrel enables the stripped wire to be inserted more easily. These PLASTI-GRIP ring tongue crimp terminals are stamped in accordance with various Military Specifications. Please refer to datasheets for specification details.