Standard BOLT, MACHINE - DOUBLE HEXAGON EXTENDED WASHER HEAD, DRILLED, PD SHANK, BLACK OXIDE, STEEL, UNS G87400, 125 KSI MIN .2500-28 UNF-3A 2015-06-12 CURRENT AS91701B
Standard BOLT, MACHINE - DOUBLE HEXAGON EXTENDED WASHER HEAD, DRILLED, PD SHANK, BLACK OXIDE, STEEL, UNS G87400, 125 KSI MIN .2500-28 UNF-3A 2007-06-26 HISTORICAL AS91701A
Standard BOLT-MACHINE, STEEL, DRILLED 12 POINT HEAD, .250-28, BLACK OXIDE 1999-12-01 HISTORICAL AS91701