The J5594 series connectors are like an intelligent "bridge" between an aircraft and the weapons it carries: They can "flexibly" align for connection, ensuring electrical continuity; and they can "firmly" self-seal to withstand harsh environments, making them a key component in the modern military aircraft weapon management system.
This model has stable connection and uninterrupted signal. Its floating design can effectively compensate for installation deviations and prevent jamming and damage. At the same time, its excellent sealing performance enables it to handle harsh environments such as high salt spray or sand dust with ease. As a key component, the crisp and precise separation action during emission is a core plus point. Of course, ground crew also highly value whether it is convenient for quick daily insertion and removal maintenance. In summary, it can be summarized as "reliable connection, tight sealing, smooth floating", and increasingly attaches importance to its long-term durability.
[Environmental Performance]
——Operating Temperature: -65℃~+175℃
——Rain Protection (mated condition): 5mm/min
——Salt Spray: 500h
[Mechanical Performance]
——Random Vibration: WaWa functional = 0.2G22/Hz, WaWa endurance = 0.83G22/Hz
——Cannon Fire Vibration: Performed in accordance with GJB 150.20A-2009
——Shock: 300g
——Acceleration: 100g
——Mechanical Life: 500 cycles
[Electrical Performance]
Rated Current and Contact Resistance
| Contact Size | Rated Current (A) | Contact Resistance (mΩ) | Number of Contacts |
|---|---|---|---|
| 20# | 7.5 | ≤27 | 10 |
| 16# | 13 | ≤15 | 13 |
Withstand Voltage
| Operating Environment | Test Voltage (50Hz, AC RMS) V |
|---|---|
| Normal Temperature and Pressure | 1000 |
| Damp Heat | 600 |
| Low Air Pressure (1.07kPa) | 600 |
Insulation Resistance
| Operating Environment | Normal Temperature (MΩ) | High/Low Temperature (MΩ) | Damp Heat (MΩ) |
|---|---|---|---|
| Between Contacts and Between Contacts and Shell | ≥5000 | ≥1000 | ≥100 |
The main design scheme of the J5594 series: "Flexible connection (floating), rigid sealing (glass sintering/rubber sealing), rapid disconnection (mechanical forced)". This scheme not only ensures the stable connection during normal operation but also guarantees the instantaneous disconnection during wartime launch.
1. Floating mounting plate
2. Dual sealing (fluorosilicone rubber + glass sintering)
3. Mechanical breakaway
4. Hyperboloid sleeve contacts
5. Three-start trapezoidal thread
6. Weather-resistant materials

Authorized HL Distributor: 100% genuine J5594 series detachable electrical connector, Compliant with standard: Q/21EJ1302
Military Application Expertise: Our engineering team specializes in defense and aerospace interconnection solutions, providing precise product matching.
Rigorous Qualification Testing: Every batch undergoes vibration, sealing, and electrical performance testing to ensure reliability.
Customization Speed: Rapid response to custom design requests for tight-deadline military and telecommunication projects.
Global Logistics Network: Efficient delivery to defense contractors, telecommunication providers, and aerospace manufacturers worldwide.
Lifetime Technical Support: 24/7 assistance for installation, maintenance, and troubleshooting of critical communication systems.


Q: Where is it mainly used?
A: For electrical connections between aircraft and missiles or auxiliary fuel tanks.
Q: Is the connector waterproof?
A: Yes, it is protected against rain and salt spray, with excellent sealing in the mated condition.
Q:What is its service life?
A: 500 mechanical mating cycles.
Q: Is it easy to repair if damaged?
A: Yes, it uses crimp termination, making it convenient to replace wires in the field.
Q: Will it separate smoothly during launch?
A: Yes, it features a specially designed mechanical breakaway structure for clean separation.
Q: Is it interchangeable with other models?
A: It is interchangeable with any connector that complies with the GJB1188A standard.
The J5594 series connectors comply with military standards and have strong versatility. They can withstand harsh environments ranging from -65℃ to +175℃. Their floating structure automatically corrects installation deviations, and the mechanical breakaway design ensures quick separation during firing. The double curved surface spring holes guarantee stable contact and a lifespan of up to 500 times. Moreover, they can be easily maintained by crimping. In summary: this connector connects when needed and disengages when necessary, being reliable and durable.
Email: manager03@mxtdinfo.com
Our customers’ satisfaction speaks for our quality — contact us to experience the same reliable service.