3a thread class right-hand 0.400" thread length hexagon head style 32 thread quantity per inch 10 deg taper from end of shoulder to beginning of unthreaded shank unf thread series
2a thread class right-hand 0.440" thread length hexagon extended washer head style 18 thread quantity per inch cadmium surface treated unc thread series
3a thread class right-hand 0.500" thread length hexagon head style 20 thread quantity per inch navy special project cadmium surface treated unf thread series
Used on 0v-10a aircraft. 3a thread class right-hand 0.500" thread length dished hexagon head style 18 thread quantity per inch cadmium surface treated unf thread series
1a thread class right-hand 0.350" thread length double hexagon extended washer head style 28 thread quantity per inch nickel surface treated unf thread series
3a thread class right-hand 0.435" thread length round w/wrench flats chamfered head style 20 thread quantity per inch nickel surface treated unf thread series
3a thread class right-hand 0.437" thread length hexagon head style 20 thread quantity per inch surface treatment 0.00015 in. max thk cadmium surface treated unf thread series
3a thread class right-hand 0.437" thread length hexagon head style 20 thread quantity per inch 0.00015 in. max plate thk cadmium surface treated unf thread series
3a thread class right-hand 0.437" thread length hexagon head style 20 thread quantity per inch surf, cadmium as modified by 0.00015 in. max thk cadmium surface treated unf thread series
3a thread class right-hand 0.416" thread length dee chamfer head style 28 thread quantity per inch head of bolt chamfer 0.025 in. at 45 degrees; chamfer at end ofbolt thread 0.031 in. at 45 degrees uns thread series
3a thread class right-hand 1.375" thread length hexagon head style 24 thread quantity per inch navy special project passivate surface treated unjf thread series
3a thread class right-hand 0.625" thread length hexagon head style 28 thread quantity per inch 125 microinch rms finish on all machined surfaces unf thread series
3a thread class right-hand 0.941" thread length hexagon head style 18 thread quantity per inch navy special project cadmium surface treated unf thread series
3a thread class right-hand 0.450" thread length hexagon head style 0.070" hole diameter 24 thread quantity per inch passivate surface treated unf thread series
