Few links...
http://www.wmberg.com/catalog/pdf/b00j033a.pdf
Check the bottom row.
http://www.wmberg.com/catalog/pdf/b00j035a.pdf
Yeah it's small and unshielded.
http://www.dynaroll.com/catalog/thinsection.htm
Small, but sheilded. But you might have a time actually buying it.
And finally, a really crazy idea.
http://www.spyraflo.com/products/nee...ons/index.html
Second paragraph there. Yes, it meets very few of your specs. But I don't know the actual design and felt it likely that this might actually work for ya.
As a note to all, all of this came from a little searching on
http://www.globalspec.com which really handles this sort of thing rather well.