[HAM] V21 driver gasket?

[David Anderson]

I was wondering if there was a direct replacement available for the  
gasket between the V21 compression driver and its mounting plate.

To make sure I'm clear about which one I mean, it's the one between  
the metal frame the spindle plate attaches to and the black plastic  
faceplate of the driver. I'm not talking about the one between the  
faceplate and the magnet structure. I know those are available.

I've had to replace two of these that were disintegrating in V21s I  
was re-centering, and in both cases, I've had to cut a replacement  
from felt. Is there a drop-in replacement you can buy? Cutting one to  
the right size is a bit tedious.

These gaskets seem to protect the inside of the driver from moderate  
over-oiling by wicking the oil away, thankfully. (The over-oiling was  
done by previous owners :-)

Thanks,
David