Standard STUD, STEPPED, DRILLD 1.5 DIA ENGAGEMENT, CADMIUM PLATED, STEEL UNS G87400, .3750-16 UNS X .3125-24 UNF-3A 2014-08-12 CURRENT AS153201B
Standard STUD, STEPPED, DRILLED 1.5 DIA ENGAGEMENT, CADMIUM PLATED, STEEL UNS G87400, .3750-16 UNS X .3125-24 UNF-3A 2010-03-09 HISTORICAL AS153201A
Standard STUD, STEPPED, DRILLED, 1.5 DIA ENGAGEMENT, .375-16 x .3125-24 2007-06-26 HISTORICAL AS153201