The BOURNS part 82A1A-B24-D18L is a high-quality resistor conductive plastic potentiometer with a resistance of 50K Ohm and a tolerance of 20%. It has a power rating of 0.25W (1/4W) and features 1 electrical turn and 1 mechanical turn. The potentiometer is designed for panel mounting and has a J-Hook style, making it easy to install and secure. With a compact size of 34.93mm x 15.88mm x 22.85mm, it is ideal for various applications that require accurate and precise control of electrical resistance.