SAE AS 155901 thru AS 156200A
SAE AS 155901 thru AS 156200A
Stud, Stepped, 2 Dia Engagement, Cadmium Plated, Steel UNS G87400, .5000-13 UNS X .4375-20 UNF-3A ( Reaffirmed: May 2005 )
standard published 02/01/2007 by SAE International