2a thread class right-hand 0.610" thread length hexagon head style 20 thread quantity per inch strip type locking element in threads 0.440 in. long cadmium or zinc surface treated unf thread series
2a thread class right-hand 0.295" thread length hexagon head style 0.051" hole diameter 20 thread quantity per inch passivate surface treated unc thread series
3a thread class right-hand 0.465" thread length double hexagon w/hole head style 32 thread quantity per inch cadmium surface treated unjf thread series
Used on w/s: aircraft, f-16; aircraft, ov-10a; support equipment, f-111 aircraft. 2a thread class right-hand 0.835" thread length hexagon head style 20 thread quantity per inch unf thread series
3a thread class right-hand 0.505" thread length double hexagon w/hole head style 0.070" hole diameter 28 thread quantity per inch silver head surface treated unjf thread series
3a thread class right-hand 0.505" thread length double hexagon w/hole head style 0.100" hole diameter 28 thread quantity per inch silver head surface treated unjf thread series
3a thread class right-hand 0.423" thread length hexagon head style 0.070" hole diameter 28 thread quantity per inch cadmium surface treated unjf thread series
2a thread class right-hand 0.875" thread length hexagon head style 20 thread quantity per inch paint color green no. 2430; 3rd shoulder dia 0.938 in. nom; 3rd shoulder lg 0.188 in. nom enamel surface treated unf thread series
