RTS016N26S03 is a coding color ring accessory designed for ecomate® Aquarius™ and Aquarius™ Fathom Lock circular connectors. Based on the part number structure and accessory tables, this component is intended for Shell Size 16 applications and features thermoplastic construction with a color-coded body for connector identification. The coding ring serves to visually distinguish connector types and configurations in industrial applications, facilitating proper mating and reducing installation errors. These accessories are commonly used in factory automation, industrial equipment, and heavy-duty transportation systems where multiple connector types require clear visual differentiation.