Try Ocean State Electronics.
http://www.oselectronics.com/ose_p96.htm
Also, Fair Radio Sales in Columbus Ohio has been known to carry them.
http://www.fairradio.com/
"WB0CTE" wrote in message
news

Want one or two variable capacitors,three or four ganged 350 or more per
section. Thease usually came out of older communications or broadcast
receivers that had a rf stage.
Wayne wb0cte