When you need reliable electrical connections in demanding military and aerospace applications, the MIL-DTL-38999 Series 3 Multi-Start Thread Circular Connector delivers unmatched performance. This progressed circular connector highlights a vigorous three-point strung association framework with an anti-decoupling component. Built to military determinations, it gives extraordinary electromagnetic impedances protecting and radio recurrence obstructions assurance. With its compact plan and different lodging fabric choices, this connector exceeds expectations in cruel mechanical situations where conventional connectors fail.

You'll discover these connectors offer prevalent contact thickness in a lightweight, miniaturized plan. The multi-start threading framework permits for fast, secure mating whereas avoiding coincidental detachment. Your applications advantage from upgraded vibration resistance and idiot proof mating capabilities.
Our connectors bolster different wire gages from 22AWG to 12AWG, making them flexible for diverse electrical necessities. The IP67 assurance rating guarantees solid operation in damp and dusty conditions.

Robust Development: Each connector employments premium aluminum combination or stainless steel lodging materials. The beryllium copper gold-plated contacts guarantee fabulous conductivity and erosion resistance.
Environmental Assurance: These connectors withstand extraordinary temperatures from -55°C to 165°C. They meet thorough military benchmarks for warm stun, vibration, and dampness resistance.
Superior Protecting: You get extraordinary EMI/RFI security with protecting adequacy of 65dB at 10GHz and 85dB at 1GHz.
Reliable Sealing: The MIL-DTL-38999 Series 3 Multi-Start Thread Circular Connector features an advanced sealing system that maintains integrity under pressure differentials up to 2×10⁵ Pa with minimal leakage rates.

| Category | Parameter | Value |
|---|---|---|
| General | Implementation Standard | MIL-DTL-38999 Series 3 |
| Protection Rating | IP67 | |
| Temperature Range | -55°C to 165°C | |
| Wire Gauge | 22AWG, 20AWG, 16AWG, 12AWG | |
| Number of Positions | 9 | |
| Shell Size | 19 | |
| Contact Layout | 19-8 | |
| Electrical | Rated Current | 22D#5A, 20#7.5A, 16#13A, 12#23A, 10#40A |
| Shielding Effectiveness | 65dB@10GHz, 85dB@1GHz | |
| Withstand Voltage | ≥500V, 125Vac @ 21000m | |
| Insulation Resistance | 5,000 megohms minimum | |
| Voltage Drop | Inner/middle: ≤55mV @ 1A, Outer: ≤75mV @ 12A | |
| Materials | Case | Aluminum alloy or stainless steel |
| Center Contacts | Beryllium copper gold | |
| Insulator | Thermoplastic or thermosetting materials | |
| Mechanical | Mate/Demate Cycles | 500 cycles |
| Environmental | Vibration | MIL-STD-202, Method 204, Condition D |
| Shock | MIL-STD-202, Method 213, Condition I | |
| Salt Spray | Cadmium plating: 500h |
These connectors excel in aerospace systems where weight and reliability are critical. Military equipment benefits from their rugged construction and secure locking mechanism. Industrial automation systems use them for reliable signal transmission in harsh environments.
Space applications require connectors that perform flawlessly in extreme conditions. Our Series 3 connectors meet these demanding requirements while maintaining compact dimensions.

At Shaanxi Chuangyu Electronic Innovation Co., Ltd., we keep up strict quality control all through the fabricating handle. Our office in Chang'an Development and Innovation Mechanical Stop utilizes progressed testing gear to guarantee each connector meets specification.
We specialize in accuracy electrical connectors and have broad involvement in military-grade applications. Our fabricating capabilities incorporate custom arrangements to meet your particular prerequisites.

For technical specifications, custom configurations, or ordering information about our MIL-DTL-38999 Series 3 Multi-Start Thread Circular Connector, contact our technical team at postmaster@cymicrowave.com. We provide comprehensive support from initial design consultation through product delivery.
Our experienced engineers can help you select the right connector configuration for your application. We offer technical documentation, compatibility verification, and custom testing services to ensure optimal performance in your specific environment.
Choose reliability. Choose performance. Choose our advanced circular connectors for your critical applications.