[VHFcontesting] Source for button insulators and retainer washers.

Tue May 9 21:08:16 EDT 2023

They are available on Amazon in packages up to 250 pieces.   

Insulators are made by Heyco

1/4"” ID are SB-375-4
3/16” ID are either SB 312-3 or SB 375-3   Very slight difference in OD 
3/8”  ID are SB-500-6
1/2 ” ID are SB-625-8

The push nuts (metal fastener) are harder to find and can be expensive.   Amazon has them also     https://www.amazon.com/Value-Brand-4HFW2-Retention-PK200/dp/B07YP887WH/ref=sr_1_1?crid=3ODS6Y8DX2URK&keywords=push+nut+STL%2C+3%2F16+in&qid=1683574816&sprefix=push+nut+stl%2C+3%2F16+in%2Caps%2C196&sr=8-1

de K3SK

-----Original Message-----
From: mikflathead at aol.com <mikflathead at aol.com> 
Sent: Tuesday, May 9, 2023 5:04 PM
To: geoiii at kkn.net; aa5am.scott at gmail.com
Cc: vhfcontesting at contesting.com
Subject: Re: [VHFcontesting] Source for button insulators and retainer washers.

Directive Systems has 50 insulators for $20.00 and 50 stainless keepers for $30.00. Be careful that you get stainless if ordering from a nut and bolt supplier.   Mike

-----Original Message-----
From: George Fremin III <geoiii at kkn.net>
To: Scott Armstrong <aa5am.scott at gmail.com>
Cc: vhfcontesting at contesting.com
Sent: Tue, May 9, 2023 3:16 pm
Subject: Re: [VHFcontesting] Source for button insulators and retainer washers.

I looked for these for someone recently - but I did not try to order any. 

M2 and Directive Systems would be the places I would try. 

And you can also likely find them and places like McMaster Carr - I know they sell the retaining hardware because I looked for someone Recently.

> On May 8, 2023, at 6:48 AM, Scott Armstrong <aa5am.scott at gmail.com> wrote:
> 
> Hi Guys,
> 
> Does anyone have a recommendation  for a source for the 3/16 button 
> insulators and retaining washers  for  the older Cushcraft antennas.
> 
> Texas Towers no longer carries them.
> M2 has them but seems awfully expensive. I'm not sure the antennas are 
> worth what a couple of bags of insulators and retains would cost+ shipping.
> 
> Thanks and 73,
> Scott AA5AM
> _______________________________________________
> VHFcontesting mailing list
> VHFcontesting at contesting.com
> http://lists.contesting.com/mailman/listinfo/vhfcontesting

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