Description
Protect unmated circular connectors from environmental contamination, physical damage, and signal degradation with the D38999/32Z9R receptacle dust cap. Manufactured to rigorous MIL-DTL-38999 Series III standards, this heavy-duty protective cover ensures reliable contact sealing and connector longevity in high-reliability military and industrial systems.
Featuring high-grade aluminum construction with Class Z Black Zinc Nickel plating, the D38999/32Z9R offers an environmentally friendly, RoHS-compliant alternative to Cadmium plating. It provides exceptional corrosion resistance (500-hour salt spray endurance) alongside excellent conductive EMI/RFI shielding. The integrated wire rope lanyard with a Ring terminal tethers the cap securely to your panel assembly, eliminating the risk of lost hardware during field service.
Key Features & Benefits
-
Military Standard Compliance: Fully qualified to MIL-DTL-38999 Series III specs for reliable mating retention and rugged performance.
-
Class Z Black Zinc Nickel Plating: Delivers 500-hour salt-spray corrosion resistance while maintaining electrical conductivity and full RoHS compliance.
-
Tethered Wire Rope Lanyard: Equipped with a durable wire rope lanyard and a Ring end-link for easy mounting to panel cutouts or enclosure fasteners.
-
Environmental Contact Protection: Shields unmated receptacle pins against ingress of dust, dirt, moisture, fuel, and chemical splash.
-
Rugged & Lightweight: Durable aluminum alloy housing designed to withstand extreme shock, continuous vibration, and thermal cycling (-65°C to +175°C).
Technical Specifications
| Specification | Details |
| Military Part Number | D38999/32Z9R |
| Connector Series | MIL-DTL-38999 Series III |
| Accessory Type | Receptacle Protective Cover / Dust Cap |
| Shell Size | Size 9 |
| Class Finish | Class Z (Black Zinc Nickel Plating, RoHS) |
| Material | High-grade Aluminum Alloy |
| Lanyard Style | Wire Rope Lanyard |
| Lanyard Attachment | Ring (Eyelet) |
| Operating Temperature | -65°C to +175°C |
| Salt Spray Endurance | 500 Hours |
Applications
-
Aerospace and Avionics Subsystems
-
Defense Electronics and Tactical Communications
-
Marine and Offshore Equipment
-
Robotics, Industrial Automation, and Heavy Machinery
-
Unmanned Aerial Vehicles (UAVs) and Ground Support Systems






Reviews
There are no reviews yet.