The 3590S-2-501L is a precision wirewound potentiometer designed for human-machine interface (HMI) applications requiring accurate resistance control and reliable performance. This model features a 500 ohm resistance value with ±5% tolerance, independent linearity of ±0.25%, and an effective electrical angle of 3600° +10° -0°, delivering excellent resolution and repeatability. The potentiometer is equipped with a metal bushing (3/8" × 5/16") and metal shaft with solder lug terminals, offering robust mechanical construction with a starting and running torque of 1.1 N-cm maximum (sealed configuration). Key mechanical specifications include a shaft runout of 0.013 mm (0.005 in.) T.I.R., lateral runout of 0.020 mm (0.008 in.) T.I.R., and a maximum backlash of 1.0°, ensuring precise positioning and minimal hysteresis. The device is RoHS compliant, rated for 1,500 VAC dielectric withstanding voltage, and suitable for applications requiring sealed, precision adjustment in industrial control systems, test equipment, and instrumentation.