Used on f16 acft. 2a thread class right-hand 0.202" thread length knurled no. 4 head style 32 thread quantity per inch passivate surface treated unc thread series
2a thread class right-hand 0.320" thread length double chamfer head style 40 thread quantity per inch navy special project anodize surface treated unc thread series
2a thread class right-hand 0.360" thread length double chamfer head style 20 thread quantity per inch longitudinal hole in head 0, 500 in. dia, 0.550 in. dp passivate surface treated unc thread series
2a thread class right-hand 0.360" thread length knurled no. 4 head style 20 thread quantity per inch flange attached to top of head w/hole passivate surface treated unc thread series
2a thread class right-hand 1.094" thread length knurled no. 1 head style 20 thread quantity per inch type a:small foot zinc surface treated unc thread series
2a thread class right-hand 0.250" thread length knurled no. 6 head style 20 thread quantity per inch medium diamond knurled .500 passivate surface treated unc thread series
2a thread class right-hand 0.420" thread length knurled no. 1 head style 28 thread quantity per inch threads undercut for relief: 0.193 in. dia. porm 0.002 in. x 0.080 in. wide unf thread series
2a thread class right-hand 0.330" thread length knurled no. 1 head style 32 thread quantity per inch threads undercut for relief: 0.050 in. wide x 0.087 in. min. dia., 0.090 in. max. dia. unc thread series
