HYSF Flange Mounted Micro Circular Connector | 2-8 Pin Subsea Bulkhead Connector

Product Series

（100% SubConn、Seacon and Burton Compatible）

HYSF Flange Mounted Micro Circular Connector | 2-8 Pin Subsea Bulkhead 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

Inline cable: Standard color code – 1 Black, 2 White, 3 Red, 4 Green, 5 Orange, 6 Blue, 7 White/Black, 8 Red/Black.

Bulkhead receptacle available in Stainless Steel natural silver or optional Titanium finish. Locking sleeve in black POM. O-rings in black (Nitrile standard) or blue/green for visual identification. Custom cable jacket colors and marking available.

3. Main parameters

HYSF Flange Mounted Micro Circular Connector | 2-8 Pin Subsea Bulkhead Connector | Flange Mount Underwater Connector | Subconn Compatible Micro Serie

Contact Options: 2, 3, 4, 5, 6, 8 pins
Depth Rating: 6000 meters
Matings: >500 cycles
Electrical Specification: 300V / 3–10 Amp (depending on contact size)
Contact Resistance: <0.010 Ω
Insulation Resistance: >200 MΩ
Temperature Rating: -4°C to +60°C
Transmission: Suitable for power and signal
Compatibility: Fully interchangeable with Subconn® Micro series and major subsea brands
Mounting: Square flange with 4-hole pattern for secure bulkhead installation

4. Material & Installation Requirements

Connector Body: Chloroprene rubber (standard) for excellent sealing and flexibility
Bulkhead Shell / Flange: 316L Stainless Steel (standard) or Titanium (optional for lightweight & extreme corrosion resistance)
Contacts: Gold plated brass for superior conductivity and corrosion resistance
O-Rings: Nitrile (standard) or Viton/FKM for oil/chemical resistance
Locking Sleeve / Dummy: POM (Polyoxymethylene)
Nuts & Washers: Stainless Steel

5. Dimension & Thread Specifications

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

MCIL8F (Inline Female): Cable OD Ø15.5 mm, Length 25 mm
MCIL8M (Inline Male): Cable OD Ø15.5 mm, Length 19 mm
FCR1508MSS (Flange Male Stainless): Overall length 28 mm, Thread Ø15.9 mm, Flange 38.1 x 38.1 mm (4x mounting holes)
FCR1508FSS (Flange Female Stainless): Overall length 34 mm, Thread length 13 mm
MCDLSF (Dummy / Blanking Plug): Ø22 mm x 41 mm (red POM)

Installation Hole: Ø15.9 (+0.027 / 0) mm with 1.5×45° chamfer. Recommended panel thickness and mounting torque per catalog.

HYSF Flange Mounted Micro Circular Connectors are compact, high-reliability underwater connectors designed for 2 to 8 contacts. Ideal for ROVs, AUVs, underwater cameras, sensors, sonar systems, and subsea instrumentation. The square flange design ensures robust, leak-proof bulkhead mounting while maintaining full 6000m depth rating.

Fully customizable: single or double O-ring, extended thread lengths, custom cable lengths, titanium construction, and exact Subconn dimensional matching. Contact HYSF for OEM solutions, prototyping, and fast delivery.

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Contact

Jason Liu

Chief Technical Officer

HYSF Subsea

jason@hysfsubsea.com

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John Zhang

CEO

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