"STEEL TY 4340 PER MIL-S-5000;CADMIUM CL 2,TY 3 PER QQ-P-416;SURFACE ROUGH 90AA MICROINCHES;HEAT TREAT RC34 MINTO RC38 MAX.;2.500 IN. LG APPROX BY 1.470 IN. HGT O/A;0.470 IN. HGT HEAD W/0.090 IN. LG BY 45.0 DEG CHAMFER,FOUR 0.391 IN. DIA HOLES AND TWO 0.380 IN. DIA HOLES,ONE 0.213 IN. DIA HOLE BY 0.250-28 UNF-3B THD BY 0.300 IN. DEEP IN CENTER;1.000 IN. HGT BODY BY 1.492 IN.WD W/0.750 IN. HGT BY 0.750 IN. WD BORE"