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[TowerTalk] Rusty washers on one-piece SO239 connectors

Subject: [TowerTalk] Rusty washers on one-piece SO239 connectors
From: Patrick Barkey <>
Date: Sat, 10 Oct 2009 15:55:25 -0600
List-post: <">>
I am refurbishing a switch that was outdoors for a while that uses the SO239
connectors that have a locking nut on the connector body instead of the four
little screws to mount it to the chassis.

A picture can be found here:

Under the caption "83-878."

The problem is that the internal tooth lockwasher is zinc plated and has
rusted.  I went to a local connector place and got some replacements that
were stainless, but they were thicker and wider and don't allow enough
thread for a PL-259 to tighten properly.

Does anyone know of a source for a stainless versions of the small zinc
washers that come with these connectors?  Thanks.

  - Pat

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