Officially, you can reuse them 5 times. But I doubt anybody here will advise that. In fact, Ray explicitly states in the Wheel Bearing How-to to change it each time.
"The axle nut is a one time use, so use a new nut when installing.."

http://www.contour.org/ubbthreads/showflat.php?Cat=&Board=v6maint&Number=895425&Forum=v6maint&Words=hub%20replacement&Match=And&Searchpage=0&Limit=2500&Old=allposts&Main=895425&Search=true#Post895425

Last edited by Tony2005; 04/10/06 11:36 PM.
"Always do the cheap and easy ones first." 1996 V6 ATX 96K miles