3a nut thread thread class right-hand nut thread 0.938" stud thread thread length 2.570" overall length 16 stud thread thread quantity per inch navy special project 1/4-28 unf class 1b thd min lg 0.320 in. located longitudinally in center of 3/8-24 thd end cadmium surface treated unc stud thread thread series
2a thread class right-hand 2.250" thread length hexagon head style 9.750" grip length 8 thread quantity per inch 35 deg, 0.094 in. deep chamfer on threaded end unc thread series
3a thread class right-hand 4.688" thread length crowned hexagon head style 0.031" grip length 28 thread quantity per inch cadmium surface treated unf thread series
3a thread class right-hand 1.016" thread length dished hexagon head style 2.740" grip length 16 thread quantity per inch cadmium surface treated unjf thread series
2a thread class right-hand 0.500" thread length undercut pan no. 2 head style 32 thread quantity per inch undercut head to accommodate rubber o-ring unc thread series
2a thread class right-hand 1.625" thread length hexagon head style 0.096" hole diameter 10 thread quantity per inch cadmium surface treated unc thread series
2a nut thread a thread class right-hand nut thread a 1.250" nut thread a thread length 24.250" overall length 13 nut thread a thread quantity per inch unc nut thread a thread series
3a thread class right-hand 0.374" thread length double hexagon head style 1.740" grip length 24 thread quantity per inch cadmium surface treated unjf thread series
2a nut thread thread class right-hand nut thread 0.312" stud thread thread length 1.094" overall length 24 nut thread thread quantity per inch stud end thread 0.002 in. oversize uns stud thread thread series