The part number **507-059N02GR** typically refers to a high-performance **Micro-D connector** manufactured by **Glenair**. These connectors are specialized versions of the D-Subminiature interface, designed for applications where space is limited and reliability is critical. --- ### Technical Specifications Below is a breakdown of the typical characteristics for this specific series: | Feature | Specification | | :--- | :--- | | **Connector Type** | Micro-D (MIL-DTL-83513 type) | | **Contact Density** | 0.050" (1.27 mm) Pitch | | **Shell Material** | Aluminum Alloy | | **Plating** | Electroless Nickel (indicated by "N") | | **Hardware** | Low Profile Jackscrews / Mounting hardware | | **Orientation** | Usually refers to a backshell or specific mounting kit | --- ### Part Number Breakdown While Glenair's numbering system is complex, the "507" prefix identifies the product family, and the suffixes define the physical configuration: 1. **507**: Product Series (Backshells/Accessories for Micro-D). 2. **059**: Specific design/style of the entry or shell. 3. **N**: Finish code (Electroless Nickel), providing excellent conductivity and corrosion resistance. 4. **02**: Size code (relates to the number of contacts, e.g., 9, 15, 21, etc.). 5. **GR**: Hardware/Attachment option (often refers to specific screw locks or rotatable couplings). --- ### Key Applications These components are rarely found in consumer electronics; they are engineered for harsh environments: * **Aerospace:** Cockpit instrumentation and flight control systems. * **Defense:** Man-portable radios, radar systems, and missile guidance. * **Space:** Satellite bus wiring where weight and outgassing are concerns. * **Medical:** High-end imaging equipment requiring dense signal paths. ### Benefits of the Micro-D System * **Size Reduction:** Roughly 1/3 the size of a standard D-Sub connector. * **Vibration Resistance:** Features "TwistPin" contact technology for continuous electrical continuity under heavy shock. * **EMI Shielding:** The nickel-plated aluminum shell provides superior electromagnetic interference protection.