Product Series

(100% SubConn、Seacon and Burton Compatible)

HYSF Oil Filled Micro Circular Connector | 2-8 Pin Pressure Balanced Oil Filled Subsea Connector

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1. Drawing information

Dimensions in mm (1 mm = 0.03937 inch)
Threads in inches (1 inch = 25.4 mm)

2. Plug Color Configuration

Standard inline cable color code: 1 Black, 2 White, 3 Red, 4 Green, 5 Orange, 6 Blue, 7 White/Black, 8 Red/Black. 1/2″ Tygon oil-fill tube in translucent (standard) or black. O-rings in black Nitrile (standard), optional blue or green for easy underwater identification. Custom cable jacket colors and laser marking available.

3. Main parameters

  • Contacts: 2, 3, 4, 5, 6, 8 pins
  • Depth Rating: 6000 meters
  • Matings: >500 cycles
  • Electrical Specification: 300V / 600V @ 3–10 Amp
  • Contact Resistance: <0.010 Ω
  • Insulation Resistance: >200 MΩ
  • Temperature Rating: -4°C to +60°C
  • Design: Pressure-balanced oil-filled technology for superior deep-sea performance
  • Compatibility: Fully interchangeable with Subconn® Micro Oil Filled series
  • Custom Options: Single/Double O-ring, thread length, cable length, and material upgrades

4. Material & Installation Requirements

  • Connector Body: High-flex Chloroprene rubber for excellent sealing
  • Oil-Fill Tube: 1/2″ Tygon PVC tube
  • Shell: 316L Stainless Steel (standard) or Titanium (optional)
  • Contacts: Gold plated brass
  • O-Rings: Nitrile (standard) or Viton/FKM
  • Locking Sleeve: POM (Polyoxymethylene)
  • Nuts & Washers: Stainless Steel

5. Dimension & Thread Specifications

(All dimensions in mm. 1 inch = 25.4 mm)

MCPBOF(2-8)F (Female Inline)

  • 1/2″ Tygon tube
  • Length: 25 mm
  • Diameter: Ø15.5 mm

MCPBOF(2-8)M (Male Inline)

  • Length: 22.2 mm (thread side) × 19 mm
  • Compact design for tight spaces

HYSF 2-8 Pin Oil Filled Micro Circular Connectors are engineered for reliable performance in extreme underwater conditions. The pressure-balanced oil-filled design prevents water ingress and internal pressure issues, making them perfect for ROVs, AUVs, underwater cameras, sensors, lights, and subsea instrumentation requiring 2 to 8 contacts.

Fully customizable: stainless steel or titanium construction, single or double O-ring, extended threads, custom cable lengths, and exact Subconn dimensional matching.

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Contact

Jason Liu

Chief Technical Officer

HYSF Subsea

jason@hysfsubsea.com

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Start Your Subsea Project with HYSF

Whether you need a quick quote for standard connectors or a complex custom cable assembly, our engineering team is ready to assist. Expect a technical response within 12 hours.

John Zhang

CEO

Jason Liu
Kevin Wang
Cindy Chen
Lily Li
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