The BOURNS part 91A1A-B24-B23L is a precision conductive plastic potentiometer with a resistance of 500K Ohm, 20% tolerance, and a power rating of 1W. It offers 1 electrical and mechanical turns, making it precise and reliable for your applications. This potentiometer is designed for panel mounting or through-hole installation, with a compact size of 6.35mm in diameter and 31.75 x 15.88 x 17.46mm in dimensions. Trust in BOURNS' quality and performance for your electronic projects with this versatile and durable component.