"15-5PH BAR PER AMS5659; HEAT TREATED TO 150-170 KSI PER BAC5619; 1.700 IN. LG,0.365 IN. HEAD DIA TAPERED TO 0.060 IN. SPHERICAL RADIUS AT END,HEAD LG 1.00 IN.; SHAFT LG 0.700 IN,0.251 IN. DIA,.2500-28 UNJF-3A THREAD PER MIL-S-8879; 0.125 IN. DIA HOLE THRU HEAD"