[Amps] ARCO compression trimmer caps

[W0UN -- John Brosnahan]

If you DO want to make your own nuts you can get a tap for $7.75
from  http://www.jtsmach.com/jtswebshop/Taps_Dies/T057.asp

Of course this assumes that the thread is REALLY a 12-40.  Surprised
that ARCO does not give any thread info for the trimmer mounting.

--John


At 08:01 AM 9/11/2004, Bill Turner wrote:
>Frustration!  I have pair of ARCO compression trimmers I want to use
>in a single-band amp in the input pi-network circuit and one of them
>has lost the mounting nut.  This is a non-standard thread and even my
>well-stocked box of spare nuts and bolts comes up empty.  The local
>hardware store has an extensive supply of US and metric nuts and still
>nothing.  An experienced machinist friend guesses it might be a 12-40
>thread, but he's not sure.
>
>Dan's Small Parts has the trimmer for sale with a note "NO MOUNTING
>NUT SUPPLIED..YOUR LOCAL HARDWARE STORE SHOULD HAVE THAT....".
>
>Yeah, right.  :-)
>
>Any one know what the thread is or where I can get one?
>
>Thanks in advance,
>
>--
>73, Bill W6WRT
>
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