3a thread class right-hand 1.375" thread length 5.500" overall length 8 thread quantity per inch drill 1/8 inch dia hole thru from thread face to hole in eye unc thread series
3a thread class right-hand 0.300" thread length 0.985" overall length 32 thread quantity per inch navy special project round, closed w/shoulder unf thread series
3a thread class right-hand 0.790" thread length 7.471" overall length 20 thread quantity per inch navy special project addtional eye hole 0.375 in. dia located 4.221 in. from end unf thread series
3a thread class right-hand 0.640" thread length 1.575" overall length 24 thread quantity per inch shank end slotted 0.075 in. min, 0.085 in. max w by 0.438 in. deep round, closed unf thread series