[R-390] Broken part need help

[Robert Newberry]

Here is the link to a picture of the part:

https://picasaweb.google.com/RNNewberry/DropBox02?authuser=0&authkey=Gv1sRgCOTqiqy4kKHOMQ&feat=directlink

It's on my R-390 power supply unit. I was replacing the 47 ohm resistors
and I broke the post. Anyone know what they are called and if they can be
purchased? I know it's a gound and I could fashion something up, but I'd
like to replace my mistake.

Thanks