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-haw...@illinois.edu>c-haw...@illinois.edu> wrote:
1/4"-20� I think
Chuck Hawley
� <mailto:c-haw...@illinois.edu>c-haw...@illinois.edu
�
� Amateur Radio, KE9UW
� aka Jack, BMW Motorcycles�
----------
From:
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<<mailto:elecraft-boun...@mailman.qth.net>elecraft-boun...@mailman.qth.net>
on behalf of Mooneer Salem
<<mailto:moon...@gmail.com>moon...@gmail.com>
Sent: Friday, August 28, 2020 3:12 PM
To: Elecraft Reflector
<<mailto:elecraft@mailman.qth.net>elecraft@mailman.qth.net>;
<mailto:elecraft...@groups.io>elecraft...@groups.io
<<mailto:elecraft...@groups.io>elecraft...@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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