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: http://drawings.amphenolrf.com/pdf/189.pdf
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.
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