JACK, TELEPHONE (P/N M641/6-1) - New Surplus, As Removed

The M641/6-1 is a 1/4-inch, 2-conductor telephone jack built to MIL-J-641/6 specifications for aircraft audio systems. This panel-mount jack accepts standard headset plugs with solder terminations and open-frame construction. Installed in cockpit audio panels and intercom stations, it provides the interface between headset equipment and the aircraft's communication wiring.

Installation requires routing connections per the aircraft wiring diagram and maintenance manual to ensure proper audio signal routing and system compatibility.

What is the JACK, TELEPHONE (P/N M641/6-1)?

The M641/6-1 is a 1/4-inch, 2-conductor telephone jack built to MIL-J-641/6 specifications for aircraft audio systems. This panel-mount jack accepts standard headset plugs with solder terminations and open-frame construction.

Is the M641/6-1 compatible with my aircraft's avionics suite?

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

Does the M641/6-1 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 M641/6-1?

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.