Try this place:
http://www.mcmaster.com/ ... under the section
FASTENING AND SEALING click SPACERS.
If they don't have it, it does not exist, and you will have to make it
yourself.
> Hi -
> I searched for card separators on Digikey, Code Micro, or Jameco (some
> people call them "risers.") - no specific luck. I have emailed them for
> assistance. In the mean time...
>
> As I wrote before I am trying to install a small computer board on top of a
> computer motherboard, so that the smaller board is about 9/16" separated
> from the motherboard. There is not much clearance and I want to just make
> it a few hairs above the IC's on the motherboard or I can't close the lid
> of the computer. There are holes in both boards that line up for the
> risers (the small board is made to be attached to the motherboard with
> risers). My local Radio Shack's card separators/risers are either too
> short or too tall.
>