Ask an Engineer
HYSF MCBH21F Miniature Circular 21-Pin Female Bulkhead Underwater Connector
21 Pin Female Bulkhead Connector

HYSF MCBH21F Miniature Circular 21-Pin Female Bulkhead Underwater Connector

Get 3D STEP File
Free Quote
Download Product Catalog
The HYSF MCBH21F is a high-performance 21-pin female bulkhead watertight connector engineered for reliable panel mounting in deep-water ultra-high-density systems. Commonly applied in extensive underwater data acquisition platforms, ROV full-system controls, subsea high-bandwidth hubs, and marine research facilities requiring robust sealed interfaces. Made with marine-grade materials, gold-plated copper alloy contacts, and strong neoprene molding, it offers IP68 protection and resists 60 MPa pressure (6000 m depth). Excellent corrosion resistance ensures long service life in challenging subsea environments.

Related products

Showing 1–9 of 42 results

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.

60MPa Metal Shell Bulkhead Connector with Triple Seal (4-61 Pins)
Gigabit Ethernet 12-Pin Subsea Connector (4 Power + 8 Network)
Right Angle Molded Micro Bulkhead Connector (LPMBH-IL12/16MF Compatible)
Custom Miniature Single-Core In-Line Watertight Connector
PBOF Series Pressure-Balanced Oil-Filled Subsea Connectors
5MP High-Definition Underwater Camera (40MPa / 316L Stainless Steel)
Custom 6-Pin / 40A Medium-Power Subsea Connector
Custom Subsea Bulkhead Flange Joint Connector
Custom 1-to-3 Fan-out Subsea Splitter Cable System
Custom Branching Subsea Cable Network (Tree Topology)
60MPa High-Pressure Metal Shell Watertight Connector (4-61 Pins)
Custom Retractable Subsea Spiral Coiled Cable (Spring Cable)
HYSF-custom-6-pin-40A-underwater-power-distribution-connector
High-Performance Photoelectric Hybrid Subsea Connector
70MPa Ultra-High Pressure Metal 61-Pin Subsea Connector
MCBH-Hybrid 4+2 Photoelectric Subsea Connector (Power & Fiber Optic)
Multi-Core Split-Type Watertight Connector (Diverse Configurations)
HYSF-140A-180A-high-current-underwater-power-connector-for-thrusters
All-New Next-Generation Subsea IP Network Camera Series
50MPa High-Precision Subsea Pressure Sensor
Miniature Subsea Watertight Connector (Marine Bronze Base)
HYSF-high-density-25-pin-subsea-signal-connector-for-oceanographic-sensors
Custom Molded Subsea Penetrator with Integrated Multi-Core Cable
Ultra-Miniature Subsea Watertight Connector Series (2-28 Pins)
5MP High-Definition Underwater Observation Camera (40MPa)
Micro Flange 3-Pin Subsea Bulkhead Connector (IL4MF Compatible)
High-Strength Titanium Alloy Subsea Penetrator
Custom High-Intensity Subsea LED Light & Mounting Bracket System
Integrated Subsea Interconnect & Imaging Solutions
Custom Branching Subsea Cable Network (Y-Splitter & Multi-Node)
Single-Pin High-Current (150A) Subsea Power Connector
MCPBOF2-8MF Oil-Filled Pressure Compensated Connector (8-Pin)
High-Frequency Subsea Coaxial RF Connector Assembly (50-3 / 50-5)
Custom 6-Port Watertight Enclosure & Subsea Interconnect System
Custom 6-Port Watertight Enclosure & Subsea Interconnect System
10-Pin Ethernet Subsea Connector (2 Power + 8 Network Cores)
RMG Series 4-Pin Subsea Engineering Cable Plug

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
  • Our team will answer your inquiries within 12 hours.
  • Your information will be kept strictly confidential.
页眉表单