The PHOENIX CONTACT part VS-M20 (5-13) is a D-SUB cap nut with a line seal designed for a conductor diameter range from 5 mm to 13 mm. It is compatible with sleeve housing VS-25- and provides a secure and reliable connection for your D-SUB connectors. This cap nut with line seal ensures protection against environmental factors and prevents dust and moisture from entering the connector, making it ideal for industrial applications where reliability is essential.