52274-1 is a pre-insulated ring tongue terminal designed for secure electrical connections in wiring applications. The terminal features a copper body per ASTM B-152 with tin plating per ASTM B-545, and a metallic sleeve of copper with nickel or tin plating for enhanced durability and corrosion resistance. The terminal is insulated with nylon and is rated for wire sizes from 0.63 mm to 130 mm, with a terminal color of blue/blue. This terminal is commonly used in automotive, industrial, and telecommunications applications where reliable, insulated connections are required to prevent accidental contact and ensure long-term performance in demanding environments.