3a nut thread thread class right-hand nut thread 0.938" nut thread thread length 1.990" overall length 14 stud thread thread quantity per inch navy special project uns stud thread thread series
2a nut thread thread class right-hand nut thread 0.360" stud thread thread length 8.980" overall length 16 nut thread thread quantity per inch stud end offset 0.380 in. from center line unc nut thread thread series
2a nut thread thread class right-hand nut thread 1.250" nut thread thread length 5.125" overall length 13 stud thread thread quantity per inch w/square projection at each end 0.312 in. lg. 1/4 in. square unc nut thread thread series
3a nut thread thread class right-hand nut thread 1.250" stud thread thread length 3.875" overall length 13 stud thread thread quantity per inch square extension 0.312 in. long 0.250 width across flats on both ends unc nut thread thread series
2a stud thread thread class right-hand nut thread 1.250" stud thread thread length 5.125" overall length 13 stud thread thread quantity per inch w/square projection at each end 0.312 inch lg. 1/4 inch square unc nut thread thread series
2a nut thread thread class right-hand nut thread 1.250" nut thread thread length 4.000" overall length 13 stud thread thread quantity per inch w/square projection on nut end 0.312 inch lg., 1/4 inch square unc nut thread thread series
2a nut thread thread class right-hand nut thread 1.250" nut thread thread length 4.500" overall length 13 stud thread thread quantity per inch w/square projection at each end 0.312 in. lg. 1/4 in. square unc nut thread thread series