The 51863-4 is a high-quality terminal from the TE Connectivity / AMP Brand. It belongs to the PIDG (Pre-Insulated Diamond Grip) series and comes with R IR 18 6 rating. This terminal is specifically designed to provide reliable and secure connections in various electrical applications. It features excellent insulation properties that protect against wire corrosion and electrical leakage. The terminal is constructed with durable materials to ensure long-lasting performance and is suitable for use with wire sizes of 18 AWG to 6 AWG. Choose the 51863-4 terminal for its superior quality and dependable electrical connections.