You're not going to get one (yet). You can either:
1. Pull down Sun's RPM and install that (not recommended).
Why not recomended?
.. or ..
2. Head over to
http://jpackage.org and RTFM (recommended).
JPackage 1.5 will sit quite happily on FC3 and can then be replaced
with JPackage 1.6 when that comes out.
Carwyn