Used on M1. 3a thread class left-hand 2.500" thread length hexagon head style 32 thread quantity per inch right hand THREAD5/16-32unef-3a unef thread series
Used on w/s:aircraft, b-1b; joint stars target radar system; aircraft, galaxy c-5; aircraft, harrier av-8b; aircraft, eagle f-15. 3a thread class right-hand flush countersunk head style 0.567" grip length 32 thread quantity per inch 95000 single pounds per square inch shear strength passivate surface treated unjf thread series
3a thread class right-hand flush countersunk head style 0.630" grip length 32 thread quantity per inch 95000 single pounds per square inch shear strength passivate surface treated unjf thread series
3a thread class right-hand 0.358" thread length double hexagon head style 1.115" grip length 28 thread quantity per inch passivate surface treated unf thread series
3a thread class right-hand flush countersunk head style 0.322" grip length 24 thread quantity per inch 95000 single pounds per square inch shear strength anodize surface treated unjf thread series
3a thread class right-hand flush countersunk head style 0.448" grip length 28 thread quantity per inch 95000 single pounds per square inch shear strength anodize surface treated unjf thread series
3a thread class right-hand flush countersunk head style 0.189" grip length 28 thread quantity per inch 108000 single pounds per square inch shear strength cadmium surface treated unjf thread series
3a thread class right-hand 0.635" thread length flat countersunk head style 24 thread quantity per inch three 0.060in. wide splines in shank cadmium fastener surface treated unf thread series
3a thread class right-hand 0.298" thread length dished hexagon head style 0.490" grip length 32 thread quantity per inch cadmium surface treated unjf thread series
2a thread class right-hand 0.788" thread length fillister head style 0.046" hole diameter 32 thread quantity per inch cadmium surface treated unf thread series
