M55116 & M9177 Military Audio/Radio Connectors for Mission-Critical Communication

Modern military operations demand more than clear audio—they require rugged, shielded, and mission-ready connectors that won’t fail under pressure.

When supporting ground units, vehicle crews, airborne systems, or naval forces, micommunication systems depend on high-integrity connections that can withstand the elements and provide uninterrupted performance.

FDH Aero is proud to supply Mil-spec military audio connectors that can get the job done.

Our M55116 and M9177 connectors are the standard across mission-critical communications because they’re ruggedized for extreme conditions and built to block out EMI/RFI interference.

At FDH Aero, we stock connectors that keep your systems locked in and your teams connected.

M55116 Connectors: The Standard for Audio Interconnects

M55116 military connectors (per MIL-DTL-55116 spec) are for audio frequency applications in military-grade environments.

• Portable radios and field communication systems
• Vehicle-mounted intercoms
• Aircraft crew communication panels
• Shipboard audio interfaces

M55116 military audio connectors support up to 60 volts and are engineered for reliable, low-current operation.

Their waterproof design and five- or six-contact options make them ideal for ruggedized audio applications in multi-platform operations.

M9177 Connectors: Trusted for Airborne and Ground-Based Systems

M9177 connectors (per MIL-DTL-9177 spec) are typically used in telephone-style jacks and plugs, serving as critical interfaces in military communication headsets and terminals.

• Compact, lightweight form factors
• Secure locking designs for vibration resistance
• High mating cycle performance for long-term durability

Often used in airborne headgear, ground stations, and communication control panels, M9177 military radio connectors provide the consistent connectivity essential to mission success.

Secure the Signal. Start with the Right Connection at FDH Aero.

With decades of experience in aerospace and defense supply chains, FDH Aero is a recognized leader in Mil-spec military audio/radio connectors.

We deliver certified, traceable, and field-proven components that meet the strictest military requirements.

Backed by a global logistics network and a commitment to quality, our support ensures you get the connectors you need—on time and mission-ready.

Connect with FDH Aero to get expert support and fast access to M55116 and M9177 audio connectors today! Let’s keep your communication systems combat-ready.

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