Smallest O-ring Cross Section

[bafile]

I need an O-ring with an ID of roughly 5 or 6 inches but with the smallest possible cross section. The smallest I have come across is 1/16" (actually .070"). Does anyone know if something smaller exists, perhaps 1/32" and where would I find it?

 

[israelkk]

Try Apple Rubber Company at

http://www.applerubber.com

they have O-rings with wire diameter of 0.2 mm.