MIL-DTL-38999 Circular Connectors
MIL-DTL-38999 is a widely used military circular connector standard for aerospace, defense, and harsh-environment applications. CGSZMD offers a full range of alternatives, including Series I bayonet, Series II low-profile bayonet, Series III triple-start thread, and Series IV wedge-lock connectors.
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Key Features
Applications
Aerospace, defense, avionics, radar, test equipment, ground support equipment, and industrial harsh-environment systems.
Product Description
MIL-DTL-38999 is a widely used military circular bayonet connector series for aerospace, defense, and harsh-environment systems. It offers multiple coupling types, shell sizes, and plating options, delivering excellent shock, vibration, and 360° EMI shielding performance. Our alternative connectors are fully compatible with the original standard and are widely used in airborne, ground support, and test systems.
Technical Specifications
EElectrical
- Rated Voltage50V AC
- Rated Current7.5A - 22.5A
- Contact Resistance≤5 mΩ
- Insulation Resistance≥5000 MΩ
- Dielectric Strength150V AC
MMechanical
- Coupling TypeBayonet / Thread / Wedge
- Shell Sizes09 - 25
- Contact StylesCrimp / Solder / PCB
- Mating Cycles≥500
VEnvironmental
- Operating Temperature-65°C to +200°C
- Shock300g
- Vibration15g
- EMI Shielding360°
Product Dimensions
Plug Connector Dimensions
Receptacle Connector Dimensions
Selector Table
| Part Number | Series | Coupling | Shell Size | Contact Style | Plating | Action |
|---|---|---|---|---|---|---|
| D38999/20FA35PN | Series I | Bayonet | 09 | Crimp Pin | Electroless Nickel | View Details |
| D38999/20FA35SN | Series I | Bayonet | 09 | Crimp Terminal | Electroless Nickel | View Details |
| D38999/24FA35PN | Series I | Bayonet | 09 | Crimp Pin | Black Anodized | View Details |
| D38999/20FB35PN | Series I | Bayonet | 11 | Crimp Pin | Electroless Nickel | View Details |
| D38999/20FC35PN | Series I | Bayonet | 13 | Crimp Pin | Electroless Nickel | View Details |
| D38999/20FD35PN | Series I | Bayonet | 15 | Crimp Pin | Electroless Nickel | View Details |
| D38999/20FE35PN | Series I | Bayonet | 17 | Crimp Pin | Electroless Nickel | View Details |
| D38999/20FF35PN | Series I | Bayonet | 19 | Crimp Pin | Electroless Nickel | View Details |
| D38999/20FG35PN | Series I | Bayonet | 21 | Crimp Pin | Electroless Nickel | View Details |
| D38999/20FH35PN | Series I | Bayonet | 25 | Crimp Pin | Electroless Nickel | View Details |
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Looking for MIL-DTL-38999 connectors? Send us your specifications—series, shell size, contact count, plating, and quantity—and we'll provide a detailed quote within 24 hours.
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