The 51AAD-B24-A15L is a sealed 1/2" (12.5 mm) square potentiometer control manufactured by Bourns, featuring a linear cermet element with ±10% tolerance and a resistance value of 10 kO. This single-section potentiometer without center detent is designed for PC board mounting with a 100° terminal center spacing and includes a metal bushing and shaft configuration. The device is sealed for board washing and RoHS compliant, making it suitable for professional audio applications and other industrial control systems requiring reliable, sealed operation. Its compact form factor and gangable design allow for flexible integration into multi-channel control panels and audio mixing equipment.