The part number **507-059N04GL** refers to a high-density, D-Subminiature connector, specifically from the **Glenair 507 series** (Micro-D series). These connectors are designed for space-constrained applications requiring high reliability and EMI shielding. --- ## 1. Technical Specifications Breakdown Based on the Glenair nomenclature, here is the breakdown of the part number: | Part Segment | Description | Detail | | :--- | :--- | :--- | | **507** | Series Identifier | Glenair Micro-D Series (M83513 type) | | **059** | Model Type | Backshell / Connector Cover (EMI/RFI shielding) | | **N** | Material/Finish | Electroless Nickel (Conductive) | | **04** | Entry Size | Specifies the cable exit diameter | | **G** | Mounting Hardware | Usually refers to a specific screwlock or attachment type | | **L** | Feature Code | Often indicates a Lanyard or specific attachment feature | --- ## 2. Key Components and Features ### A. Material and Plating * **Base Material:** Usually Aluminum alloy. * **Plating (N):** Electroless Nickel. This provides excellent corrosion resistance and ensures high electrical conductivity across the shell for effective grounding and **EMI/RFI protection**. ### B. EMI/RFI Shielding The "059" series is specifically an **EMI/RFI Shielded Backshell**. In electronic systems, this part prevents electromagnetic interference from leaking out of the cable assembly and protects the signals inside from external noise. ### C. Form Factor * **Micro-D:** These are significantly smaller than standard D-Sub connectors (like VGA ports). * **Pitch:** Typically 0.050 inch (1.27 mm) contact spacing. --- ## 3. Typical Applications These parts are "Mission Critical" grade and are rarely found in consumer electronics. They are used in: * **Aerospace:** Satellite wiring and flight control systems. * **Defense:** Tactical radios and missile guidance systems. * **Medical:** High-end imaging equipment requiring miniaturization and shielding. --- ## 4. Mechanical Drawing Overview While specific dimensions depend on the "04" entry size, the general assembly follows this structure: ```text [Backshell Body] <--- Electroless Nickel Plating / \ [Entry Port] [Mounting Screws] | | (Cable Exit) (Attaches to Micro-D Plug/Receptacle) ```