3a thread class right-hand 0.250" thread length 1.188" overall length 32 thread quantity per inch unthreaded shank 0.312 in. dia cadmium surface treated round, closed unf thread series
2a thread class right-hand 0.750" thread length 3.730" overall length 20 thread quantity per inch slot 0.125 in. min w by 0.125 in. min deep by 2.500 in. nom lg on thd end passivate surface treated round, closed unf thread series
3a thread class right-hand 1.375" thread length 2.875" overall length 24 thread quantity per inch navy special project cadmium surface treated round, closed unf thread series
3a thread class right-hand 1.562" thread length 3.368" overall length 12 thread quantity per inch 0.440 in. min, 0.450 in. max w across flats on shank phosphate surface treated round, closed unc thread series
2a thread class right-hand 0.938" thread length 1.984" overall length 28 thread quantity per inch cadmium surface treated round, open unf thread series
Used on spec item. 3a thread class right-hand 0.515" thread length 6.343" overall length 24 thread quantity per inch passivate surface treated round, closed w/shoulder unf thread series