ROJ 208 821/3 is a technical reference code assigned to a particular component used in industrial, mechanical, or telecom equipment. The base number “208 821” represents the main part family, while the suffix “/3” indicates a specific version, configuration, or revision of that component. Such numbering formats are commonly used by manufacturers to differentiate between similar parts with slight variations in size, compatibility, or function.
Without exact manufacturer or system context, the precise function cannot be confirmed, but it typically refers to a standardized replacement or assembly component used in specialized equipment. These types of parts are often found in telecom infrastructure, machinery, or electrical systems where accurate part identification is critical for maintenance and compatibility.