"CONSISTS OF BOLT,CRES COMP 303 ASTM A582,1.125 IN. W ACROSS THE FLATS,0.624 IN. SHOULDER DIA,1/2-13 UNC 3A THD; SPACER,CRES COMP 304 QQ-S-763,1.500 IN. DIA,1.062 IN. H,0.625 IN. CENTER HOLE DIA; NUT HEX,CRES COMP 300 SERIES,1/2-13 UNC-2B; PIN CRES COMP 303 ASTM A582,0.125 IN. DIA,1.250 IN. LG"