| GENERAL CHARACTERISTICS ITEM DESCRIPTION | STEEL FORGING,ALLOY GRADE D,COMP 4140,SPEC MIL-S-46172,HEAT TREAT QUENCH AND TEMPER PER 8355700 METHOD ITO ROCKWELL C26-32,OUTSIDE DIA 14.812 IN.,3.250 IN. W,5.125 IN. DIA INNER,9.542 IN. DIA TAP 0.437-20 UNF 2B THREAD THRU COUNTERSINK AT 90 DEGREES TO 0.470 MAX DIA OPPOSITE SIDE PITCH DIA 0.4050 M 0.4104 P IN. 6 HOLES EQUALLY SPACED |