The Ultimate MIL-DTL-38999 Connector Solutions
High-performance circular connectors for aerospace, defense, and industrial applications. Fully intermateable with Amphenol, TE, and Souriau at a fraction of the cost.
Why Choose Metabee?
The smart alternative to Amphenol, TE Connectivity, and Souriau.
Cost Effective
Significant cost savings compared to major brands without compromising on Mil-Spec performance.
100% Intermateable
Form, fit, and function interchangeable with all standard Mil-Spec connectors.
Fast Lead Times
We stock major components and offer rapid assembly to meet your deadlines.
Quality Assured
Rigorous testing for EMI shielding, vibration resistance, and environmental sealing.
Which D38999 Series Do You Need?
Understanding the 4 main series is crucial for correct selection. Select a tab below to see details.
Download the Complete
D38999 Master Catalog
Get instant access to detailed datasheets, insert arrangements, shell dimensions, and part number builders.
Series III Shell Styles Configuration
Straight Plug
D38999/26- Standard cable-mount plug with self-locking thread.
- Integral grounding fingers for 360° shielding.
Wall Mount
D38999/20- 4-hole square flange receptacle for rigid panel mounting.
- Available with various plating options.
Jam Nut
D38999/24- Single-hole mounting receptacle with hex nut.
- Integrated O-ring seal for superior moisture resistance.
Insert Arrangements
The heart of the D38999 is its versatility in contact density. Select a shell size below to view the most popular insert arrangements for that size.
Select Shell Size:
Note: Shown are the most popular arrangements for Shell Size 25. For high-density, power, or hybrid variations, please download the full catalog.
How to Order
Series III Part Number Breakdown
Metabee D38999 connectors follow the standard military part numbering scheme. Use the diagram to identify the correct part number components.
- Prefix:D38999 indicates Series III family
- Class:F (Electroless Nickel), W (Olive Drab Cadmium)
- Shell Size:09, 11, 13, 15, 17, 19, 21, 23, 25
- Insert:See insert arrangement chart
- Contact:P (Pin), S (Socket), A (Pin Connector less pins)
Illustration for Series III configuration only.
Ready to Configure Your Solution?
Fill out the form to get a quote within 24 hours. Our engineering team can assist with part number cross-referencing and custom configurations.
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