SKU: 

HYSF SMCBH6MSS Small Circular Bulkhead Male Connector | 6 Pin Underwater Stainless Steel Bulkhead Connector | Micro Circular Subsea Bulkhead Plug | Subconn Compatible Small Circular Series

Optional: Anodized Aluminum Bulkhead with Dual O-Ring Sealing

Plug Color Configuration Standard inline cable color code: 1 Black, 2 White, 3 Red, 4 Green, 5 Orange, 6 Blue. Stainless steel natural silver shell with black molded body. O-rings in black Nitrile (standard), optional blue or green for quick underwater mating identification. Custom cable jacket colors and laser marking available.

Main Parameters

  • Contacts: 6 pins
  • Depth Rating: 6000 meters
  • Matings: >500 cycles
  • Electrical Specification: 300V / 3–10 Amp
  • Contact Resistance: <0.010 Ω
  • Insulation Resistance: >200 MΩ
  • Temperature Rating: -4°C to +60°C
  • Design: Stainless steel bulkhead mount with M8 thread for secure panel installation
  • Compatibility: Fully interchangeable with Subconn® Small Circular / Micro Circular Bulkhead Series
  • Custom Options: Cable length, single or double O-ring, extended thread, titanium shell

Material Parameters

  • Connector Shell & Bulkhead: 316L Stainless Steel (MSS) – excellent corrosion resistance
  • Body: High-flex Chloroprene rubber
  • Contacts: Gold plated brass
  • O-Rings: Nitrile (standard) or Viton/FKM
  • Locking Nut & Washers: Stainless Steel

Dimension & Thread Specifications (All dimensions in mm)

  • SMCBH6MSS (Male Bulkhead Stainless Steel):
    • Total length: 21 mm + 19 mm = 40 mm
    • Thread: M8 × 1.25
    • O-Ring: 5-212
    • Mounting panel side: Compact design with Ø approx. 16–18 mm

HYSF SMCBH6MSS 6-Pin Stainless Steel Bulkhead Connectors are compact, high-reliability underwater bulkhead connectors designed for secure panel mounting in harsh subsea environments. Ideal for ROVs, AUVs, underwater cameras, sensors, lights, and instrumentation requiring 6 contacts. The robust stainless steel construction ensures superior durability and corrosion resistance at full ocean depth.

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

Keywords: SMCBH6MSS connector, 6 pin underwater bulkhead connector, stainless steel small circular bulkhead, Subconn compatible SMCBH6MSS, 6000m depth micro circular bulkhead, ROV AUV bulkhead male connector, M8 thread subsea connector, stainless steel micro circular underwater connector.

Contact HYSF for OEM customization, fast prototyping, and competitive pricing.

  • 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