HYSF MCDC21F Miniature 21-Pin Female Dummy/Plug Underwater Connector

The HYSF MCDC21F is a robust 21-pin female dummy connector designed to protect open female receptacles from water ingress, debris, and corrosion when disconnected. Constructed with high-quality neoprene and reliable threading, it provides complete sealing at depths up to 6000 meters (60 MPa). Critical for extending lifespan of maximum-density connectors in underwater robotics, offshore installations, and marine instrumentation.

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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.

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John Zhang

CEO

Jason Liu
Kevin Wang
Cindy Chen
Lily Li
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