The 111812P8 is a retaining pin for Powerpole PP120 connectors used to keep stacked housings from separating. This pin is inserted into the circular opening between two housings stacked side by side, providing mechanical retention for multi-pole connector assemblies. The pin features a dimension A of 0.196 to 0.207 inches (4.98 to 5.26 mm) and a dimension B of 0.560 inches (14.220 mm), with a tolerance of ±0.015 inches (0.38 mm). Designed for use with the PP120 series, which accommodates up to 1/0 (50 mm²) wires and handles currents up to 240 amps, this retaining pin is essential for maintaining connector integrity in high-current applications such as battery systems and power distribution.