The 130203 is a terminal ring tongue connector manufactured by TE Connectivity/AMP, designed for use with M5 studs and wire sizes 12-10 AWG. The connector features a tin-plated copper body and sleeve per ASTM B-545, with a yellow nylon insulation sleeve rated for wire insulation diameters of 3.8–6.4 mm. Key technical specifications include a maximum operating temperature of 105°C, a maximum voltage rating of 300 volts, and support for solid or stranded wire with cross-sectional areas of 2.62–6.64 mm² (5,180–13,100 CMA). The tongue thickness is precisely controlled at 1.0±0.05 mm, and the stud hole diameter is 5.25±0.1 mm. This connector is commonly used in automotive, industrial, and electrical applications where reliable ring terminal connections to threaded studs are required.