40-21-00-4, 29.4mm, red. Outside diameter [mm]: 29.4mm. Color: red. Component family: potentiometer knobs. External height [mm]: 2mm. Manufacturer's product group: 40. Material: plastic. Number of turns: -. Outer length [mm]: 29.4mm. Outer width [mm]: 29.4mm. Potentiometer accessory type: indicator washer for rotary knob. Registration: direction arrow. RoHS: yes. Surface: glossy coating. Original product from manufacturer: Ritel. Quantity in stock updated on 11/02/2025, 22:15