Military Connectors
In the defence sector, there is no margin for error. Mission-critical systems demand absolute reliability under the most demanding operational conditions.
LEMO provides high-performance military connectors engineered to ensure flawless performance, secure data transmission, and unwavering durability when it matters most. Our commitment to excellence guarantees that your equipment maintains peak operational readiness, from command and control systems to soldier-worn technology.
You need connectivity solutions that withstand extreme temperatures, severe vibration, and exposure to the elements without compromise. We design and manufacture a comprehensive range of rugged, compact, and lightweight connectors that meet the stringent requirements of modern defence and aerospace applications.
Explore our rugged connector series for military applications
Your choice of connector has a direct impact on system performance and reliability.
We have developed specific series to address the unique challenges of military environments, from armoured vehicles to advanced avionics.
Lightweight F series for soldier-worn systems and avionics
When weight and space are critical constraints, the LEMO F series offers a high-performance solution. These compact and lightweight circular connectors are engineered for applications such as soldier-worn communication systems, portable radios, and avionics. The robust construction ensures durability without adding unnecessary bulk, enhancing both mobility and system efficiency. The secure push-pull latching system allows for quick and reliable connection and disconnection, even in the field.
Rugged Miniature Push-Pull D Series tested MIL-STD-810H
The LEMO D Series is engineered to perfor the toughest conditions — miniature in size yet uncompromising in reliability. Featuring a new patented push-pull self-latching system and a non-reflective finish, it ensures secure connections and outstanding durability, compliant with MIL-STD-810H for resistance to vibration and harsh environments. With quick mating, easy integration, and proven reliability, it’s the connector of choice when failure is simply not an option.
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M Series - Rugged Ratched Coupling LEMO lightweight, compact, high vibration resistant (Mil STD 202 & 810F), IP68 screw locking connector | LEMO lightweight, compact, high vibration resistant (Mil STD 810F), IP67 Push-Pull connector | D Series - Rugged Miniature Push-Pull LEMO compact and miniature high-vibration resistance (Mil STD 810H), IP68 Push-Pull connector | |
| Locking | Triple start, 3/4 turn ratchet coupling | Push-Pull | Push-pull and Break-away |
| Size (diameter) | 9 sizes from ø 11.1 to ø 34.0 mm (plugs) | 8 sizes from ø 8.5 to ø 36.1 mm (plugs) | 5 sizes from ø 7.0 mm to ø 18.8 mm |
| Keying | 10 keyway options | 6 keyway options | 3 keyway options |
| Shell Type | Over 40 shell styles | Over 12 shell styles | 3 shell styles |
| Shell Material | Aluminium or Brass | Aluminium or Brass | Brass |
| Plating | Antracite nickel or Chrome | Antracite nickel or Chrome | Antracite nickel |
| Cable diameter | 2.2 to 34 mm • 4 backshell options available | 2.2 to 34 mm • 1 backshell option | 3.2 to 11.7 mm • Overmolded backshell |
| Nb of contacts | 3 to 114 | 3 to 66 | 2 to 32 |
| AWG | LV 16 to 32 • High Power 1 to 8 mm | 18 to 32 | 10 to 32 |
| Contact type | Multipole • Coax • Fibre Optic • Fluidic Mixed • High power | Multipole • Fibre Optic | Multipole • Coax • Mixed |
| Contact Termination | Multipole • Coax • Fibre Optic • Fluidic Mixed • High power | Multipole • Fibre Optic | Multipole • Coax • Mixed |
| Data Protocols | USB 2.0 / Eth Cat6 | - | USB 2.0 / USB 3.2 / SPE / Eth Cat6 |
| Sealing level | IP68 / hermetic sockets | IP68 / hermetic sockets | IP68 unmated 20m/2h |
| Temperature range | -55°C to 200°C | -55°C to 200°C | -55°C to 150°C |
| Mating Cycles | > 3000 | 300 / 5000 acc. to sizes/material | > 5000 |
Engineered for ultimate reliability and precision
Our reputation is built on a foundation of precision engineering and an uncompromising commitment to quality. Every LEMO military connector is the result of decades of expertise in designing solutions for the world's most challenging applications.
Meeting and exceeding MIL-SPEC standards
While compliance with military specifications is a baseline, we engineer our connectors to often exceed these established standards. We conduct rigorous in-house testing for vibration, shock, temperature cycling, and corrosion resistance to validate the performance and durability of every component. This ensures that a LEMO connector provides a level of reliability that goes beyond simple specification compliance, giving you confidence in your system's long-term performance.
Ensuring data integrity in high-vibration environments
Maintaining a stable signal path during intense vibration is a significant engineering challenge. Our connector designs incorporate precision-machined contacts and robust locking mechanisms to create a secure, stable interface between the pin and the socket. This minimises micromovement and fretting corrosion, protecting the integrity of high-speed data and sensitive signals, which is crucial for guidance systems, avionics, and vehicle electronics.
Custom-engineered solutions for unique defence requirements
We understand that standard connectors may not always meet the unique requirements of your project. As a dedicated technical partner, we offer comprehensive custom design services. Our engineers work directly with your team to develop bespoke solutions, from modified housing and unique pin configurations to complete cable assembly and wire termination solutions. This collaborative approach ensures you receive a connector perfectly tailored to your application's mechanical, electrical, and environmental demands.
LEMO Military Connector Solutions for Defence & Security
