2a thread class right-hand 1.250" thread length hexagon extended washer head style 13 thread quantity per inch phosphate or oil surface treated unc thread series
2a thread class right-hand 1.318" thread length hexagon extended washer head style 11 thread quantity per inch phosphate or oil surface treated unc thread series
2a thread class right-hand 1.250" thread length hexagon extended washer head style 13 thread quantity per inch phosphate or oil surface treated unc thread series
Used on F-15S. 3a thread class right-hand 2.380" thread length dished hexagon head style 3.000" grip length 16 thread quantity per inch hole drilled down center of head unf thread series
3a thread class right-hand 0.406" thread length hexagon head style 0.046" hole diameter 4.250" grip length 32 thread quantity per inch unf thread series
2a thread class right-hand 1.750" thread length hexagon head style 8.500" grip length 18 thread quantity per inch zinc surface treated unc thread series
2a thread class right-hand 1.250" thread length hexagon head style 9.000" grip length 20 thread quantity per inch zinc surface treated unf thread series