2-520409-2 is an Ultra-Fast Plus fully insulated FASTON receptacle terminal designed for secure and reliable quick-connect wire terminations. This .187 Series terminal accommodates 22-18 AWG wire with an insulation diameter range of 0.060-0.135 inches (1.52-3.43 mm) and features a brass terminal base material. Key dimensions include A: 0.165 inches (4.24 mm), B: 0.336 inches (8.53 mm), C: 0.200 inches (5.08 mm), and D: 0.855 inches (21.72 mm). The terminal mates with 0.020 x 0.187 inch (0.51 x 4.75 mm) or 0.032 x 0.187 inch (0.81 x 4.75 mm) tabs and is UL rated at +105°C. This loose piece terminal is ideal for applications requiring shock and short hazard prevention with visual inspection capabilities.