Based on the part number **507T175M1503H**, this component belongs to the **Glenair 507 series**. These are specialized "Micro-D" backshells used primarily in aerospace, defense, and high-reliability industrial applications. --- ### Component Breakdown The part number is an alphanumeric code where each segment defines a specific physical or electrical characteristic. | Segment | Value | Description | | :--- | :--- | :--- | | **Series** | 507 | Glenair Series 507 (Micro-D Backshell) | | **Type** | T | Top Entry configuration (Cable exits from the top) | | **Size** | 175 | Shell size/Connector layout (Fits a 100-pin Micro-D connector) | | **Material/Finish** | M | Electroless Nickel (Conductive, good for EMI shielding) | | **Entry Size** | 15 | Cable entry diameter (approx. 0.468 inches) | | **Hardware** | 03 | Fillister Head Jackscrew (Standard mounting hardware) | | **Slot Option** | H | With Slot/Hole for a lacing tape or tie-wrap | --- ### Technical Specifications #### 1. Material & Finish * **Base Material:** Usually Aluminum alloy. * **Finish (M):** Electroless Nickel. This provides excellent corrosion resistance and ensures high electrical conductivity across the shell for **EMI/RFI shielding**. #### 2. Mechanical Design * **Form Factor:** Low-profile design specifically for MIL-DTL-83513 Micro-D connectors. * **Cable Exit:** Top entry (straight) allows for vertical wire routing, saving space in tight enclosures. * **Hardware:** The "03" code indicates it uses a specific screw type to secure the backshell to the connector interface. #### 3. Environmental & EMI Features * **Shielding:** Because the finish is conductive (Nickel), this part is used to ground the cable shield to the connector shell, protecting sensitive signals from electromagnetic interference. * **Durability:** Designed to withstand high vibration and mechanical shock typical of avionics. --- ### Common Applications * **Avionics:** Flight control systems and cockpit instrumentation. * **Satellites:** Space-rated versions of these parts are used for lightweight, robust interconnections. * **Military Hardware:** Tactical radios and handheld devices requiring ruggedized connectors.