Hi Roy.

 RJT>> followed by "ZNR",  which leads me to believe that this is
 RJT>> perhaps a MOV.  Under that it says "10K24IU" or
"10K241U".
 RJT>> There's some more stuff below that that I can't make out..

 RJT>> Anybody know what this is?

 JB>> sounds like a 240V MOV, could that be?  if so it'll be fatter
 JB>> than your average disc capacitor.

 RJT> I don't know why I'd have one with that rating,  maybe the number
 RJT> refers to something else

 RJT> Since you bring up the dimensions,  it's a bit under half an inch
 RJT> in diameter, a bit over an eighth of an inch thick.  Black in
 RJT> color,  looks like the package was made by "dipping" whatever it
 RJT> is into the packaging material.  Shiny, though,  not dull like a
 RJT> ceramic cap would be

I've got a cataloguue with a picture of some MOVs. these ones are blue,
shiny, and have the tiangle (with smaller triangles at the corners) logo and some
writing that isn't printed clearly.

possibly it was for telephone applications?

 -=> Bye <=-

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