[Milsurplus] Needed - Jack For U-174/U Plug

[Peter Gottlieb]

It might be this:

http://www.aircraftspruce.com/catalog/avpages/tjt120jack.php


On 3/24/2014 7:45 PM, Michael D. Harmon wrote:
> I need a panel-mount jack for a U-174/U plug.  This is the plug used for the 
> David Clark H10-76 military
> headset - the familiar, green-domed headset worn by helicopter pilots, AWACS 
> operators, and countless
> other military users.  The U-174/U is a stubby, 4-conductor plug with tip, 
> sleeve and two rings as shown
> in the following graphic (hope this goes through)
>
>
> The H10-76 headset has 19-ohm earphone elements wired in parallel, almost a 
> perfect match for radios
> with an 8-ohm audio output.  The standard military mike element (M-87/AIC) is 
> a 5-ohm dynamic unit,
> but can easily be replaced by a number of mike elements designed for different 
> transmitter input impedances
> and audio sensitivity requirements.
>
> I have two of these great headsets I'd like to use with my HF radio gear for 
> hands-free operation.  I plan to build
> a small interface box with audio matching network, input jacks for the headset 
> and a foot-pedal PTT switch,
> and an output pigtail going to my HF gear.
>
> Does anyone have a matching jack for the U-174/U plug they would part with?
>
> Please let me know if so.
>
> Mike Harmon, WB0LDJ
> mharmon at att dot net
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