MS3180-12C Protective Cap | MIL-DTL-26482 Connector Cover

MS3180-12C is a metal protective cover for Size 12 receptacles. MIL-DTL-26482 compliant with chain & gasket. [Click Here! Get a Quick Quote. Response in 15 Min]

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Professional Protection for Circular Interconnects: The MS3180 Series

In high-reliability electrical systems, the longevity of a connection is often determined by how well the interface is protected when not in use. Environmental contaminants such as dust, moisture, and salt spray can compromise the integrity of gold-plated contacts. To mitigate these risks, military-grade protective covers like the MS3180-12C are essential components in any robust wiring architecture.

As a specialized supplier of aviation-grade accessories, AVIA Connector provides a comprehensive range of dust caps, including the MS3180-12C. This specific protective cover is designed to mate with all MIL-DTL-26482 Series I receptacles, ensuring that your equipment remains mission-ready in even the harshest industrial climates.

Key Specifications

Shell Material

Operating Temp

Mating Cycles

Aluminum alloy

-65 °C to +200 °C

500

MS3180-12C

Technical Specifications and Material Science

The engineering behind a protective cap is as critical as the connector itself. The MS3180-12C is manufactured from high-strength aluminum alloy, providing a lightweight yet durable shield against mechanical impact.

Core Features of the 12C Configuration:

  • Compatibility: Designed for Shell Size 12 receptacles.

  • Attachment: Includes a stainless steel chain for secure tethering to the panel.

  • Sealing: Equipped with a high-grade gasket to ensure an environmental seal.

  • Plating: Standard Olive Drab Cadmium for maximum corrosion resistance.

The MS3180-12C is particularly valued in the Russian and Iranian industrial sectors, where equipment is frequently exposed to extreme temperature cycling and abrasive particles. By utilizing the MS3180-12C, engineers can prevent the ingress of contaminants that lead to galvanic corrosion and intermittent signal failure.

The Strategic Importance of Environmental Caps

Many system failures are traced back to neglected interfaces. When a receptacle is left uncovered, the interfacial seal is exposed to UV radiation and ozone, which can lead to embrittlement. The application of the MS3180-12C prevents this degradation.

Unlike plastic commercial alternatives, the metal construction of the MS3180-12C ensures EMI/RFI continuity if required and provides a gas-tight seal when tightened.

MS3180-12C

FAQ

Does this cover provide a waterproof seal?

When properly installed on a compatible receptacle, these metal covers utilize an internal gasket to provide an environmental seal that meets or exceeds IP67 standards.

The tethering chain ensures that the protective cover is not lost during maintenance or operation, keeping the hardware conveniently located near the connection point.

While Olive Drab Cadmium is the standard for military use, nickel-plated versions are often available for applications requiring higher electrical conductivity or RoHS compliance.

The size code (e.g., “-12”) must match the shell size of your receptacle. A size 12 connector will always require a size 12 protective cap for a proper fit.

We maintain a ready-to-ship inventory for global distribution. Reach out via our live chat, and we will provide a formal quote and shipping schedule within 15 minutes.

Certification