Look more closely at your local ye olde pipe shoppe. I found some very fine nylon brushes there and they are great for tube socket holes. You can find them on line too by searching for pipe (tobacconist) supplies.
Len: From my experience, this link will take you to exactly what you are looking for: http://www.partsconnexion.com/econnexion/eflash_62702/eflash.html
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