The TestWorks Group four-way 671 plugs and 626 sockets have for many years formed part of the standard communications plug-in headsets used widely in military civil aircraft. They have also proved extremely popular with radio operators, the police and fire services.

These plug and socket combinations have been designed to Ministry of Defence standards and are available with NATO codification.

The robust and sturdy plugs and sockets have stood the test of time, and continue to provide proven reliability over numerous insertions throughout life.  The 671 plugs and 626 sockets are supplied with a black cover as standard, and can also be provided for panel mounting if required.

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