The Bourns 3319W-1-472 is a versatile 9mm round trimming potentiometer designed for a wide range of applications. It provides both top and side adjustment capabilities, along with dust and splash resistance for enhanced durability. This potentiometer is RoHS compliant and features a cross-slot adjustment design for precise control. It's ideal for trimmer applications and offers a standard resistance range of 100 to 1 megohm, making it a reliable choice for various industrial and commercial uses. The potentiometer is designed for horizontal and vertical mounting styles and includes PC board stand-offs for easy integration.