[GreenKeys] ST-6 routine maintenance

[Scott Johnson]

KEPS and SEMS, nuts and screws, respectively , with captive washers.

Scott V. Johnson W7SVJ
5111 E. Sharon Dr.
Scottsdale, AZ 85254-3636
H (602) 953-5779
C (480) 550-2358
scottjohnson1 at cox.net
scott.johnson at ieee.org

-----Original Message-----
From: greenkeys-bounces at mailman.qth.net <greenkeys-bounces at mailman.qth.net> On Behalf Of Duncan Brown
Sent: Saturday, May 30, 2020 2:25 PM
To: greenkeys at mailman.qth.net
Subject: Re: [GreenKeys] ST-6 routine maintenance

Keps nut - Right.  -never mind.


On 30-May-20 14:08, John, W9DDD wrote:
> A Keps nut, (also called a k-lock nut or washer nut), is a nut with an 
> attached, free-spinning star lock washer.
>
> Picture here:
> https://en.wikipedia.org/wiki/Keps_nut
>
> John, W9DDD
>
> On 5/30/2020 11:58 AM, Duncan Brown wrote:
>> There is some sort of flexible washer over the ST-6 toroids and I was 
>> careful not to tighten the screws to much.
>>
>> Ralph's idea of a self-locking nut is a good one.
>>
>> I think "Kepts nut"  was another name and must be derived from the 
>> manufacturer of these lock nuts
>>
>> Have fun,
>>
>> Duncan
>>
>>
>> On 30-May-20 12:33, Scott Johnson wrote:
>>>
>>> Technical term is “elastic stop nut”, (if you are looking for them 
>>> in a catalog or online) Colloquially known as “nylocs” (trade name)
>>>
>>> Scott V. Johnson W7SVJ
>>>
>>> 5111 E. Sharon Dr.
>>>
>>> Scottsdale, AZ 85254-3636
>>>
>>> H (602) 953-5779
>>>
>>> C (480) 550-2358
>>>
>>> scottjohnson1 at cox.net <mailto:scottjohnson1 at cox.net>
>>>
>>> scott.johnson at ieee.org <mailto:scott.johnson at ieee.org>
>>>
>>> *From:* greenkeys-bounces at mailman.qth.net 
>>> <greenkeys-bounces at mailman.qth.net> *On Behalf Of *Roy Morgan
>>> *Sent:* Saturday, May 30, 2020 9:30 AM
>>> *To:* Ralph Irish <w8roi at wowway.com>
>>> *Cc:* Green Keys <greenkeys at mailman.qth.net>
>>> *Subject:* Re: [GreenKeys] ST-6 routine maintenance
>>>
>>> As I remember it, what you refer to is a "self-locking" nut. It has 
>>> a usually-nylon washer shaped insert on one end, the inside diameter 
>>> of which ensures that the nut stays in place once installed.
>>>
>>> I remember some that had a fiber-phenolic locking part. Further, 
>>> some such nuts are made entirely of metal, the locking part is 
>>> likely threaded also but has segments that are bent inwards and 
>>> create considerable friction against the screw or bolt.
>>>
>>> An "acorn" nut is closed on one end and likely creates no locking 
>>> action. They create a finished appearance and may usually have been 
>>> chromed. The BC-779 used them to fasten the cover to the panel.
>>>
>>> Roy Morgan
>>>
>>> K1LKY Western Mass
>>>
>>>
>>>
>>>     On May 30, 2020, at 11:43 AM, Ralph Irish <w8roi at wowway.com
>>>     <mailto:w8roi at wowway.com>> wrote:
>>>
>>>     
>>>
>>>     *And, if there is an occasion to remove any boards with toroids,
>>>     consider replacing the hex nuts and lock*
>>>
>>>     *washers with acorn nuts, or whatever those nuts are called with
>>>     the plastic or fiber "snubber" ...*
>>>
>>>
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>>
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>>>>> Jordan Spencer Cunningham's GreenKeys Search Tool: 
>>>>> https://teletype.net/gksearch
>>>>> 2002-to-present greenkeys archive: 
>>>>> http://mailman.qth.net/pipermail/greenkeys/
>>>>> 1998-to-2001 greenkeys archive: 
>>>>> http://mailman.qth.net/archive/greenkeys/greenkeys.html
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>>>>> http://comcents.com/tty/greenkeyssearch.html
>>
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> ______________________________________________________________
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>
>>>> Jordan Spencer Cunningham's GreenKeys Search Tool: 
>>>> https://teletype.net/gksearch
>>>> 2002-to-present greenkeys archive: 
>>>> http://mailman.qth.net/pipermail/greenkeys/
>>>> 1998-to-2001 greenkeys archive: 
>>>> http://mailman.qth.net/archive/greenkeys/greenkeys.html
>>>> Randy Guttery's 2001-to-2009 GreenKeys Search Tool: 
>>>> http://comcents.com/tty/greenkeyssearch.html
>
> This list hosted by: http://www.qsl.net Please help support this email 
> list: http://www.qsl.net/donate.html Message delivered to 
> duncanancy at earthlink.net

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>>> Jordan Spencer Cunningham's GreenKeys Search Tool: 
>>> https://teletype.net/gksearch 2002-to-present greenkeys archive: 
>>> http://mailman.qth.net/pipermail/greenkeys/
>>> 1998-to-2001 greenkeys archive: 
>>> http://mailman.qth.net/archive/greenkeys/greenkeys.html
>>> Randy Guttery's 2001-to-2009 GreenKeys Search Tool: 
>>> http://comcents.com/tty/greenkeyssearch.html

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