RT001823SNH is a dust cap with chain for receptacle connectors in the ecomate® RM series from Amphenol Sine Systems. This accessory is designed for Shell Size 18 circular connectors and features a robust Zinc Alloy construction with a silver-colored body. The integrated chain attachment provides convenient tethering to prevent loss during mating and unmating operations. The dust cap protects the receptacle connector from contamination, dust, and moisture when not in use, supporting the connector's IP65-rated sealing performance in industrial environments. This accessory is ideal for Factory Automation, Heavy Equipment, Transportation, and other demanding industrial applications where connector protection and reliability are essential.