3a thread class right-hand 0.640" thread length double hexagon extended washer head style 0.060" hole diameter 28 thread quantity per inch unjf thread series
right-hand 0.375" thread length hexagon head style 27 thread quantity per inch item includes one drilled hole 0.094 in. dia. located through threaded end of bolt
Used on mark iv weather satellite. 2a thread class right-hand 0.680" thread length hexagon head style 13 thread quantity per inch navy special project passivate surface treated unc thread series
3a thread class right-hand 0.415" thread length double hexagon w/hole head style 32 thread quantity per inch ibearing surface of head nitrided case to produced by ion-nitriding; surface of shoulder case harden per P11TF2 cla (nitriding) cagec 07482; surfaces not to be nitrided may be masked by mechanical means unjf thread series
3a thread class right-hand 0.968" thread length double hexagon w/hole head style 16 thread quantity per inch cadmium surface treated unjf thread series
Used on f-16 aircraft. 3a thread class right-hand 0.375" thread length hexagon head style 24 thread quantity per inch cadmium threads surface treated unjf thread series
3a thread class right-hand 0.345" thread length dished hexagon head style 28 thread quantity per inch cadmium or chromate surface treated unf thread series
3a thread class right-hand 0.444" thread length dished hexagon head style 0.070" hole diameter 24 thread quantity per inch cadmium surface treated unjf thread series
2a thread class right-hand 0.895" thread length hexagon head style 11 thread quantity per inch thread relief 0.506 min. to 0.526 max. dia., 0.060 long. shoulder plated with dicro pan (gun blue) cage 12238 or presto black cage 51243 nickel head surface treated unc thread series
3a thread class right-hand 0.266" thread length dished hexagon head style 32 thread quantity per inch navy special project dry film lubed shank only per mcair PS18021, class 15 passivate surface treated unf thread series