The BOURNS 3590S-2-503L is a precision wirewound potentiometer with a resistance of 50K Ohm and a tolerance of 5%. It has a power rating of 2W and features a 10-turn electrical adjustment and 10-turn mechanical adjustment for precise control. This panel mount potentiometer is equipped with solder lugs for secure connections and has a compact size of 6.34mm in diameter, making it suitable for a variety of electronic applications.