3a thread class left-hand 2.3440" overall length 0.2500" bore diameter 24 thread quantity per inch shank end chamfered, nas 513 keyway in shank cadmium exposed surfaces as mounted surface treated double row, staggered, ball unf thread series
3a thread class right-hand 2.1406" overall length 0.1900" bore diameter 24 thread quantity per inch shank end chamfered, 0.0004 in. max radial clearance, 0.3479-0.3450 pitch dia of thd after plating cadmium exposed surfaces as mounted surface treated double row, staggered, ball unf thread series
3a thread class right-hand 5.7920" overall length 0.9995" bore diameter 12 thread quantity per inch nas 559 keway in shank, magnetic inspec per mil-i-6868, shank drilled 2.5600 in. deep, 0.6250 in. dia, groove around shank 1.5300 in from end ball type unc thread series