SKU: 

HYSF-MCBH-21M

HYSF MCBH21M Miniature Circular 21-Pin Male Bulkhead Underwater Connector

Optional: Anodized Aluminum Bulkhead with Dual O-Ring Sealing

The HYSF MCBH21M is a robust 21-pin male bulkhead watertight connector designed for secure panel-mount applications in extreme marine conditions with maximum channel density. Widely used in large pressure housings, subsea high-capacity distribution units, ROV comprehensive command systems, underwater extensive sensor networks, and deep-sea observatories. Constructed with 316L stainless steel or titanium options, gold-plated contacts, and neoprene overmolding, it achieves full ocean depth rating of 6000 meters (60 MPa) with IP68 sealing. Exceptional durability guarantees outstanding performance in offshore oil & gas and subsea operations.

Series

Miniature Series

Number of Contacts

Mounting Thread

Electrical Rating

Connector Type

Body Material

Series

  • 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