| GENERAL CHARACTERISTICS ITEM DESCRIPTION | ALLOY STEEL COMP 4140,SPEC MIL-S-13048,HEAT TREATMENT,QUENCH AND TEMPER TO ROCKWELL C26-32,18.615 IN. L,1.380 IN. W AT CENTER,12.480 IN. DIA,0.440 IN. W BOTH ENDS,DIA A IN CENTER 1.376 IN.,DIA B IS 18.615 IN.,DIA C IS18.185 IN.,DIA B MUST BE CONCENTRIC WITH DIA A WITHIN 0.003 TIR,DIA C MUSTBE CONCENTRIC WITH DIA B WITHIN 0.005 TIR |