HYSF VMG4FS / VMG4FSD Underwater Inline Female Connector & Dummy Plug – 4 Contacts Subsea Cable Set

Plug Color Configuration Standard matte black Chloroprene rubber body with high-contrast black cable jacket for superior underwater visibility and corrosion resistance. Gold-plated brass sockets are clearly visible for precise mating. Inline cable follows HYSF standard color coding (Pin 1 Black, 2 White, 3 Red, 4 Green), enabling fast, error-free identification during ROV/AUV deployments and offshore operations. The professional black finish perfectly matches the full HYSF underwater connector family.

Main Parameters

• Depth Rating: 6000 meters
• Mating Cycles: >500
• Electrical Specification: 300V @ 3-5 Amp
• Contact Resistance: <0.010Ω
• Résistance d'isolation : >200 MΩ
• Temperature Range: -4°C to +60°C
• Cable Specification: 20AWG
• IP Rating: Full IP68 / 6000m subsea pressure protection The VMG4FS delivers reliable power and signal transmission while the VMG4FSD provides complete sealing protection for unused male connectors in extreme marine environments.

Material Parameters

• Connector Body: High-performance Chloroprene rubber for exceptional flexibility and watertight sealing
• Contacts/Sockets: Gold plated brass for outstanding conductivity and corrosion resistance
• O-Rings: Nitrile (NBR) for reliable long-term watertight performance
• Nuts & Washers: Stainless steel (optional 316L upgrade available)
• Locking Sleeve: Premium POM (Polyoxymethylene)
• Optional Shell: 316L stainless steel or titanium for maximum durability All marine-grade materials are engineered for outstanding resistance to saltwater, high pressure, UV, and chemicals.

Dimension & Thread Specifications VMG4FS Inline Female Connector:

• Maximum Diameter: Ø18.5 mm
• Body Section Diameter: Ø12.75 mm
• Straight inline configuration optimized for compact cable harnesses

VMG4FSD Female Dummy Plug:

• Maximum Diameter: Ø12.75 mm
• Compact sealing design for secure protection of male pins
• Thread Compatibility: Metric threads, fully compatible with HYSF standard locking sleeves (G-FLS-D / G-MLS-D) and recommended mounting holes
• Dimensions in mm (1 inch = 25.4 mm)

Precision-engineered for perfect mating with the entire HYSF underwater connector ecosystem.

underwater female connector, HYSF VMG4FS, VMG4FSD dummy plug, subsea 4-pin female connector, 6000m depth rated inline connector, ROV AUV subsea female plug, marine 20AWG female connector, Chloroprene rubber underwater connector, gold plated brass sockets, deep sea dummy sealing cap, VMG4FS VMG4FSD set.

The HYSF VMG4FS / VMG4FSD set is the ideal solution for offshore oil & gas, marine renewable energy, underwater robotics, and scientific research applications. Fully compatible with HYSF RM Series male connectors, dummy plugs, and the complete subsea lineup. Custom cable lengths, shell materials (stainless steel/titanium), and thread options available. Contact HYSF for your complete underwater connector solution.