2a thread class right-hand 1.438" thread length hexagon head style 0.316" hole diameter 13 thread quantity per inch paint color olive drab paint sides of head surface treated unc thread series
2a thread class right-hand 0.440" thread length hexagon head style 16 thread quantity per inch extension at threaded end 0.265 in. dia to 0.275 in. dia by 0.310 in. long passivate surface treated unc thread series
9steel 4130; 3.595 in lg o/a; 0.750 in hex, 0.156 in thk head, 0.4956 in min, 0.4964 in max dia, 3.000 in lg shank chrome plated per qq-c-320 to 0.0015 in thk w/o.063 in wd, relief grooves both ends, 1/2-20 NF3 thd end 0.313 in lg w/diametral center hole
3a thread class right-hand 0.510" thread length hexagon head style 0.070" hole diameter 18 thread quantity per inch cadmium surface treated unf thread series
3a thread class right-hand 0.980" thread length double hexagon head style 0.055" hole diameter 12 thread quantity per inch cadmium surface treated unjf thread series
2a thread class right-hand 0.812" thread length crowned hexagon head style 9 thread quantity per inch cadmium or zinc surface treated unc thread series
2a thread class right-hand 0.625" thread length square extended washer head style 16 thread quantity per inch head finish enameled, tt-e-529, olive drab zinc surface treated unc thread series
1a thread class right-hand 0.750" thread length double hexagon w/hole head style 28 thread quantity per inch passivate surface treated unf thread series
