"5,000 psi" stands for "5,000 pounds per square inch," a unit of pressure measurement. It indicates the amount of force applied over a specific area. This level of pressure is commonly found in various applications, such as hydraulic systems, industrial machinery, and high-pressure cleaning equipment. In practical terms, 5,000 psi is significantly higher than atmospheric pressure, which is about 14.7 psi at sea level. For example, pressure washers often operate around this level to effectively remove dirt and grime from surfaces. Understanding psi is essential for ensuring safety and efficiency in equipment that operates under high pressure.