V4NST7XUL is a Johnson Electric manufactured Saia-Burgess electronic part, specifically a radial leaded, single turn, single axis, Hall Effect Potentiometer. This component measures an applied magnetic field to output voltage, and is meant for use in industrial automation, medical technology, robotics, and transportation. It comprises of a rotating elements with a contact body, shaft, and a mounting bracket. This component is compatible with RoHS and REACH standards and is typically used to detect the angular and linear movement in motor and actuator applications.