This Is A Factory Original Self Locking Nut.
Although Jeep Has Discontinued This Item We Have Several Hundred Of These Original Nuts In Stock.
A Very Small Self Locking Nut, It Is A M4 Nylon Inserted Self Locking Nut Made Specifically To Fit The Rear Of Your Alternator.
If You Are Looking For One, Look No Further.
Your Alternator Will Only Require One Of These Very Hard To Find When You Need One Tiny Lock Nuts
FACTORY ORIGINAL ALTERNATOR SELF LOCKING NUT PART# 6502690