If you mean the dished washer this should go on the axle before the Joint.
I have found these missing on many axles. Not sure it is readly needed.
Obviously there to ensure a tight fit.

            Eric                   86-VW4x4
            vw4x4@fyi.net          86-SS Syncro
            Pittsburgh, PA USA     1936-Chrysler
                                   92-Jetta GWC
            www.fyi.net/~vw4x4/vw4x4.htm

On Fri, 10 Sep 2004, Giasson, Pascal (DNR/MRN) wrote:

> I just received two new CV joint boot kits for my '84 Westy from the Bus
> Depot.  They came with a large spring type washer that I do not  know what
> to do with as none of these were on my Westy when I took the CV joints off.
> Anyone know?
>
> Pascal
> '84 Westy
>