[Elecraft] [Elecraft-KX] KX3 microphone nut size

[Bert]

M7 is not really a standard size in every day mechanics. Rarely used.
Standard sizes are M3, M4, M5, M6, M8, M10, M12 and so on.

Bert VE3NR/SM7BUR




On 2020-08-28 19:47, stephen shearer wrote:
> https://www.digikey.com/product-detail/en/cui-devices/SJ1-43502PM/CP-SJ1-43502PM-ND/5130707 
>
>
> It may not be correct, but IF sizes use "standard" nuts... M7x0.75   ? 
> someplace to start?
>
> 73, steve
>
> On 8/28/20 7:24 PM, Rich NE1EE wrote:
>> It is easy to cross thread nuts and screws this way. IME, machine 
>> threads...which is likely what you have here...either work or they 
>> don't. You should be able to get at least 2 clean, easy rotations. 
>> And that is for a nut that is going on a bolt/stud that will not 
>> stand proud of the nut when it is tight. That likely applies to many 
>> of the screws and nuts in the Elecraft equipment. Folks who "think" 
>> that they have a good match and that the nut just needs to be 
>> "tightened" wind up cross threading, and then you be lucky a) get the 
>> nut off, and b) get the correct one to fit. This works for all 
>> sizes...right up to, and past, engine block studs and nuts. 
>> (Experience.) Many are the times that I have wrapped my hand around a 
>> manifold, to a stud I can't see, and gently rotated the nut until I 
>> was sure that I had a proper fit.
>>
>> Now...back to the KX3...this comes as a kit, yes? Then perhaps the 
>> kit manual calls out the nut size.
>>
>> On 2020-08-28 13:34:-0700, Mooneer Salem wrote:
>>> Tried some normal 1/4"-20 hex nuts from Lowe's too (much too thick 
>>> mind you, but should at least confirm if the diameter/TPI are 
>>> correct) and no such luck.�
>>>
>>> Interestingly, I took off the nut from a spare SMA pigtail and it 
>>> was able to mate it with the microphone connector. However, I 
>>> couldn't rotate it past 1/2 turn or so and I didn't want to force it 
>>> with tools and potentially damage the jack. If it was the correct 
>>> size, I'd have been able to tighten it much further by hand, right?
>>>
>>> -Mooneer K6AQ
>>>
>>> On Fri, Aug 28, 2020 at 1:21 PM hawley, charles j jr 
>>> <<mailto:c-hawley at illinois.edu>c-hawley at illinois.edu> wrote:
>>> 1/4"-20�  I think
>>>
>>> Chuck Hawley
>>> � <mailto:c-hawley at illinois.edu>c-hawley at illinois.edu
>>> �
>>> � Amateur Radio, KE9UW
>>> � aka Jack, BMW Motorcycles�
>>>
>>>
>>> ----------
>>> From: 
>>> <mailto:elecraft-bounces at mailman.qth.net>elecraft-bounces at mailman.qth.net 
>>> <<mailto:elecraft-bounces at mailman.qth.net>elecraft-bounces at mailman.qth.net> 
>>> on behalf of Mooneer Salem 
>>> <<mailto:mooneer at gmail.com>mooneer at gmail.com>
>>> Sent: Friday, August 28, 2020 3:12 PM
>>> To: Elecraft Reflector 
>>> <<mailto:elecraft at mailman.qth.net>elecraft at mailman.qth.net>; 
>>> <mailto:elecraft-kx at groups.io>elecraft-kx at groups.io 
>>> <<mailto:elecraft-kx at groups.io>elecraft-kx at groups.io>
>>> Subject: [Elecraft] KX3 microphone nut size
>>> �
>>> Hi all,
>>>
>>> Does anyone know what exactly would replace the microphone nut on 
>>> the KX3?
>>> (I seem to have somehow misplaced mine.) The jack itself seemed to 
>>> measure
>>> 1/4" OD but some 1/4"-32 panel nuts that I found don't seem to screw 
>>> into
>>> it.
>>>
>>> Thanks,
>>>
>>> -Mooneer K6AQ
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>>>
>>
>>
>> ~R~
>> 72/73 de Rich NE1EE
>> On the banks of the Piscataqua
>>
>>
>>
>
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