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HYSF RMG4MP Underwater Inline Male Connector – RM Series 4 Contacts Subsea Cable Plug

Optional: Anodized Aluminum Bulkhead with Dual O-Ring Sealing

Plug Color Configuration Standard matte black Chloroprene rubber body with high-contrast black cable jacket for excellent underwater visibility and corrosion resistance. Gold-plated brass pins are clearly visible for easy mating alignment. Inline cable uses standard HYSF color coding (Pin 1 Black, 2 White, 3 Red, 4 Green), ensuring fast and error-free identification in ROV, AUV, and subsea operations.

Main Parameters

  • Depth Rating: 6000 meters
  • Mating Cycles: >500
  • Electrical Specification: 300V @ 3-5 Amp
  • Contact Resistance: <0.010Ω
  • Insulation Resistance: >200 MΩ
  • Temperature Range: -4°C to +60°C
  • Cable Specification: 20AWG
  • IP Rating: Full IP68 / 6000m subsea pressure protection Perfect for reliable power and signal transmission in underwater sensors, cameras, lights, tools, and oceanographic instruments.

Material Parameters

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

Dimension & Thread Specifications RMG4MP Inline Male Connector:

  • Maximum Diameter: Ø12.75 mm
  • Pin Section Length: 15.9 mm
  • Overall Compact Design optimized for tight cable harnesses
  • Cable Entry: Straight inline configuration
  • Thread Compatibility: Metric threads, fully compatible with HYSF RM Series female connectors (RMG4FS), dummy plugs (RMG4FSD), and locking sleeves (G-FLS-D / G-MLS-D)
  • Dimensions in mm (1 inch = 25.4 mm)

Precision-engineered for perfect mating with the entire HYSF RM Series 2–4 contact family.

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The HYSF RMG4MP delivers reliable performance in offshore oil & gas, marine renewable energy, underwater robotics, and scientific research applications. Fully compatible with RMG4FS female inline, RMG4FSD dummy plug, and all RM Series connectors. Custom cable lengths, shell materials (stainless steel/titanium), and thread options available. Contact HYSF for complete subsea connector solutions.

  • Cable Length (Standard): 1.0m (Inline) / 0.3m (Bulkhead)

  • Customization: Cable length, mounting threads, and electrical ratings available upon request.

  • ROVs & AUVs: Thruster connections and tether management.

  • Underwater Cameras: Video signal transmission.

  • Sensors & Instrumentation: CTD, Sonar, and Hydrophones.

  • Diving Equipment: Diver communication systems.

  • Offshore Energy: Oil & Gas subsea control modules.

Contact

Jason Liu

Chief Technical Officer

HYSF Subsea

jason@hysfsubsea.com

Manufacturing Showcase & Details

Explore high-resolution photos of actual production units. These images highlight our precision machining, quality overmolding, and attention to detail in every connector we ship.

Request a Quote or Custom Solution

Looking for bulk pricing or specific cable lengths (e.g., 0.3m, 1m, or custom)? Fill out the form below, and our sales team will send you a formal quotation within 12 hours.

John Zhang

CEO

Jason Liu
Kevin Wang
Cindy Chen
Lily Li
Contact Form Demo