On Thu, 05 May 2005 23:20:18 GMT, "Bruce A. Frank"
wrote:

I have a print that, as best I can read it, calls for a fitting # AN
867-6. Is that a standard 3/8 tapered (NPT) thread fitting for welding
on fuel tanks? Can anyone point me to a chart that has pictures of the
AN fittings and possibly a translation to equiv. pipe or tube
specifications?

Page 158 of the current Aircraft Spruce catalog.