Err, dunno if this is what you looking for, but found swiftech for socket A (462) on this Danish site:
http://www.studiedata.com/product.as...uct=148&page=1
Didn't understand a single word on the site, but seen the pic
Hope it helps,
Good luck!
/edit/ sorry, now I got it, you look for 462-UH, 1/2 barbs...nope, haven't found it...
Just didn't catc that UH seriously...sorry...