SAE AS 3149

SAE AS 3149 Bolt, Machine - Double Hexagon Extended Washer Head, Close Tolerance Shank, AMS 4967, .3125-24 UNJF-3A ( Reaffirmed: Mar 1982 Nov 1991 May 1995 Nov 2001 May 2006 )

standard by SAE International, 11/01/1976