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Connector mounting flanges (nut plates)

Connector mounting flanges

Product overview

EMCA mounting flanges are designed to securely install circular connector receptacles into panels, bulkheads, and enclosures. Specifically developed to work with square flange receptacles, these precision-machined backing plates serve as a superior alternative to handling loose nuts and washers.

Simplified Installation

The flange fits behind the panel, aligning with the connector's mounting holes. By providing a fixed, threaded platform, these plates allow for single-side fastening. This makes installation significantly faster and easier, especially in "blind-mounting" scenarios where access to the back of the panel is restricted or impossible.

Key Features

  • Precision Alignment: Ensures accurate positioning of square flange connectors.
  • Secure Retention: Options available with Self-Locking (SL) threads to resist vibration and shock.
  • C-Shape Design: The side opening allows for installation over existing wiring or in tight clearance areas.

Available Versions

We offer three distinct configurations to match your specific environmental and mechanical requirements:

1. Standard Version
The robust, general-purpose choice for most industrial, rail, and defense applications. It balances structural strength with ease of installation, featuring standard through-holes for maximum compatibility with various screw lengths.

2. Ultra-Light Version
Designed for weight-critical applications such as aerospace, UAVs, and motorsport. This version features a reduced profile thickness to minimize mass while maintaining secure connector retention.

3. Blind Hole Version
Features non-through (capped) threaded holes.

  • Sealing: Prevents moisture, dust, or gas from leaking through the thread interface.
  • Protection: Stops debris (swarf) from falling into the enclosure during installation.
  • Application: Ideal for IP-rated waterproof enclosures, and EMI-shielded environments where no through-holes are permitted.

Technical Note: When using the Blind Hole version, precise screw length selection is required to prevent "bottoming out" inside the flange.

Connector Fasteners Catalogue – EMCA 2024

Connector Fasteners Catalogue – EMCA 2024

Typical applications

These mounting flanges are ideal for use with rugged circular connector series commonly used in industrial, rail, transportation, aerospace, defense, and harsh environment applications.

EMCA mounting flanges are commonly specified for use with:

  • Panel mounting of square flange receptacle connectors;
  • Enclosure and bulkhead connector installation;
  • Industrial control systems and automation equipment;
  • Rail and transport electrical systems;
  • Harsh environment and ruggedized electronic equipment.

Compatibility

EMCA mounting flanges are fully compatible with a wide range of circular connector series including:

  • MIL-DTL-38999
  • MIL-DTL-26482
  • MIL-DTL-5015
  • VG95319 & VG96912
  • JN1003 & JN1034
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