I can't see Lighthound from my current connection, but if you're looking for the ring-only from the Surefire lanyard kit, it's a Z26. I found one locally at my SF dealer a few weeks ago after completely forgetting I wanted one. They're about $5.
The fit is a little loose, so it will scratch the finish of the body and tailcap on a 6P for the metal-bodied folks (unless, of course, you have a clickie that screws down all the way), but works wonderfully on a G2.
As for other lanyard parts, if you plan to buy a spares carrier, they'll come with a lanyard and two of those little metal spring clips, too. For that reason, many of us probably have some of those. An ad in BST might save you some cash if you don't need enough goodies to make LH shipping worthwhile.