The 3590P-2-503L is a precision wirewound potentiometer manufactured by Bourns, designed for human-machine interface (HMI) applications requiring high accuracy and reliability. It features a 50 kO resistance value with ±5% total resistance tolerance, ±0.25% independent linearity, and a 0.013% resolution, delivering exceptional precision for control and measurement tasks. The potentiometer incorporates a metal bushing (3/8" × 5/16") with a shaft diameter of 0.2497" (+0.0000, -0.0009"), PC pin terminals with 12.19 ± 0.51 mm spacing, and an effective electrical angle of 3600° ±10°/-0°. Mechanical specifications include a maximum backlash of 1.0°, stop strength of 45 N-cm minimum, and starting/running torque of 1.41 N-cm maximum (sealed configuration). This potentiometer is ideal for precision instrumentation, control systems, and applications requiring stable, low-noise performance in sealed or unsealed environments.