The Franklin Machine Products 166-1228 Valve Knob is a highly specialized component with precise specifications tailored for diverse industrial applications. Featuring a 2-1/2" outer diameter, this valve knob is crafted from durable black plastic, ensuring longevity and resilience in demanding environments. The knob's design incorporates a .40" diameter stem, facilitating easy integration with various valve systems. Notably, the knob is engineered to maintain a flat orientation when in the 'off' position, providing a clear visual indicator of the valve's status. This feature enhances operational efficiency and safety, particularly in settings requiring quick status checks of multiple valves. The Franklin Machine Products 166-1228 Valve Knob's robust construction and precise dimensions make it an ideal choice for industries ranging from commercial refrigeration and HVAC systems to food service equipment and industrial machinery. Its versatile design ensures compatibility with a wide array of valve types, offering users a reliable and standardized solution for valve control. By incorporating this valve knob into their systems, companies can achieve enhanced control and operational consistency, underscoring its value as a critical component in fluid and gas management systems.