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 Post subject: Push-Pull Pot Nut Size
 Post Posted: Wed Jan 04, 2012 7:59 am 
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Joined: Thu Aug 11, 2005 1:00 pm
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Location: Kansas City, Missouri
Does anyone know what the size is for the small nuts that go on the older push-pull pots that RIC used before they switched to the new, larger style pots? I think they're 1/4, but I need to know the thread size.


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 Post subject: Re: Push-Pull Pot Nut Size
 Post Posted: Wed Jan 04, 2012 8:52 am 
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They're metric if I recall correctly. I used to use a metric wrench to tighten them, but an SAE wrench for the others.


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 Post subject: Re: Push-Pull Pot Nut Size
 Post Posted: Wed Jan 04, 2012 9:19 am 
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They may be, but I need the exact size specs all around to order them from McMaster-Carr.


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 Post subject: Re: Push-Pull Pot Nut Size
 Post Posted: Wed Jan 04, 2012 9:21 am 
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Joined: Fri Dec 25, 2009 9:29 pm
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Location: Appleton
How many do you need Dane? I've a few extra nuts and washers from the Ric push/pulls that I tossed due to my poor soldering technique.


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 Post subject: Re: Push-Pull Pot Nut Size
 Post Posted: Wed Jan 04, 2012 9:36 am 
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I need 50 of each, I ordered a bunch of push-pulls that didn't come with any hardware. Argh!


Last edited by aceonbass on Wed Jan 04, 2012 9:47 am, edited 1 time in total.

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 Post subject: Re: Push-Pull Pot Nut Size
 Post Posted: Wed Jan 04, 2012 9:42 am 
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Joined: Fri Dec 25, 2009 9:29 pm
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Location: Appleton
50? I'm not that bad of a solderer. :lol:

I suppose you could go to a hardware store to test fit several just to get your size figured out.


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 Post subject: Re: Push-Pull Pot Nut Size
 Post Posted: Wed Jan 04, 2012 9:46 am 
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The local hardware stores don't carry stuff like this unfortunately. I don't think it's metric either as the metric nuts I have don't fit.


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 Post subject: Re: Push-Pull Pot Nut Size
 Post Posted: Wed Jan 04, 2012 10:03 am 
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Joined: Sat Sep 27, 2008 10:49 pm
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Location: Stanstead, QC
For sure the local hardware store will not carry the item, but often has a test board with a bolt and thread hole for every spec of fastener, US or metric. Take a pot in with you and you will at least be able to get the thread size figured out.


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 Post subject: Re: Push-Pull Pot Nut Size
 Post Posted: Wed Jan 04, 2012 10:47 am 
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I don't know that the hardware store would have a thread check for that though. "Standard" pot threads are 3/8-32 which is extra-fine thread. There aren't many hardware stores (or nut/bolt fasteners) that carry extra-fine hardware.

I've got a couple of stereo pots that have an odd thread, I don't know if these are the same as the pots RIC used. I measured them, the thread is 0.308 diameter, and about 27 threads per inch. This is close to an 8mm (7.62mm) but the thread pitch isn't anything standard for metric (which would be either 1mm or 1.25mm) at 0.94mm. I can't find any imperial threads that have that sort of diameter/pitch either.

Is it possible for you to check with wherever you got the pots to see if they have nuts you could buy?


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 Post subject: Re: Push-Pull Pot Nut Size
 Post Posted: Wed Jan 04, 2012 1:23 pm 
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Location: Kansas City, Missouri
No help there I can't find specs or availability on this hardware ANYWHERE.


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