0.1875" first hole diameter 0.8650" overall length tapered groove 0.191 in. min/0.210 in. max w at top, 0.114 in. w at bottom by 0.043 in. min/0.048 in. max deep 17c solid, plain, no outside flanges
3b thread class right-hand 1.9380" overall length 0.2500" bore diameter 24 thread quantity per inch 0.0700 in. dia hole drilled through shank 0.3125 in. from base of shank cadmium all external/exposed metal surfaces surface treated double row, staggered, ball unf thread series
3a thread class right-hand 3.0625" overall length 0.3125" bore diameter 20 thread quantity per inch plus 0.0000 in. minus 0.0003 in. bore tolerance, porm 0.0100 in. od tolerance, reduced radial clearance, 2 snap washers double row, staggered, ball unf thread series