JACK, TELEPHONE (P/N M641/5-1) - As Removed

The M641/5-1 is an aircraft telephone jack conforming to MIL-J-641 specifications for headset audio circuits. This panel-mount connector receives the PJ-055B plug and interfaces with two-plug aviation headsets at the aircraft audio panel. The jack provides dependable crew communications routing through the intercom and radio systems.

Installation requires a prepared panel hole with proper strain relief and termination per your aircraft's wiring diagram and avionics maintenance manual. Standard on many general aviation and business aircraft installations.

What is the JACK, TELEPHONE (P/N M641/5-1)?

The M641/5-1 is an aircraft telephone jack conforming to MIL-J-641 specifications for headset audio circuits. This panel-mount connector receives the PJ-055B plug and interfaces with two-plug aviation headsets at the aircraft audio panel.

Is the M641/5-1 compatible with my aircraft's avionics suite?

Avionics compatibility depends on your aircraft model and existing installation. The JACK, TELEPHONE is available in: As Removed. We recommend checking your aircraft's wiring diagrams and STC documentation, or contact our avionics team for compatibility assistance.

Does the M641/5-1 come with an 8130-3 airworthiness tag?

Availability of an FAA 8130-3 tag depends on the part condition. Overhauled and repaired units typically include 8130-3 documentation. As-removed units may include a removal tag with trace history. Contact us for specific documentation on the condition you need.

Do you offer bench testing for the M641/5-1?

We can arrange bench testing through our network of FAA-certified repair stations. Call (904) 998-9101 for testing availability and turnaround times, or submit an RFQ with your specific requirements.