Re: 7mm phone jack

["John Tudor" jtudor2005]

>
> First I've heard of it. Actually 6.3mm, same as the NATO ammunition.
>
Technically speaking, a 'Nato Plug' has a 7.3 mm shaft diameter and uses 4 =
poles. They'd often be refered to as Nato Jacks even though it's male. Nato=
 Plugs are very common in Helicopter Aviation (I flew for Channel 7 here in=
 Adelaide in the early 1990's) In fixed wing aircraft, the most common is t=
he 'standard' we all know as 1/4 inch. Also the Nato Jack. I had a hell of =
a time trying to get a custom intercom made for the aircraft using the Nato=
 Plugs.