7-51863-1 is a ring tongue terminal designed for electrical connections on #6 studs, accommodating 22–16 AWG solid or stranded wire. The terminal features a copper body per ASTM B-152 with tin-plate finish per ASTM B545 (minimum 0.000100 inch thickness) and a red nylon sleeve. Key technical specifications include a voltage rating of 300V maximum, maximum operating temperature of 105°C, and a circular mil area of 0.26–1.65 mm² (509–3260 circular mil). The terminal body measures 3.68 ±0.08 mm (1.145 ±0.003 inches) with a tongue material thickness of 0.79 ±0.05 mm (0.031 ±0.002 inches). This terminal is UL listed (File E13288) and certified per UL 486A, making it suitable for industrial wiring, automotive applications, and general electrical assemblies requiring reliable ring-tongue connections.