3a nut thread thread class right-hand nut thread 0.750" nut thread thread length 1.185" overall length 28 nut thread thread quantity per inch head 0.310 in dia unjf nut thread thread series
3a thread class right-hand 0.380" grip length 28 thread quantity per inch 95000 single pounds per square inch shear strength cadmium surface treated unjf thread series
2a thread class right-hand 0.250" thread length flat countersunk head style 32 thread quantity per inch navy special project anodize stand-off surface treated unc thread series
Used on apache helicopter. 2a thread class right-hand 0.370" thread length flat chamfer head style 28 thread quantity per inch passivate surface treated unf thread series
3a thread class right-hand 0.537" thread length flat countersunk head style 0.928" grip length 20 thread quantity per inch passivate surface treated unjf thread series
3a thread class right-hand 0.251" thread length pan head style 0.365" grip length 32 thread quantity per inch passivate surface treated unjc thread series
3a thread class right-hand 0.251" thread length pan head style 0.428" grip length 32 thread quantity per inch internal drive ribbed passivate surface treated unjc thread series
3a thread class right-hand 0.875" thread length flat chamfer head style 0.044" hole diameter 32 thread quantity per inch cadmium surface treated unf thread series
3a thread class right-hand 0.346" thread length flat chamfer head style 0.044" hole diameter 32 thread quantity per inch silver surface treated unrf thread series
3a thread class right-hand 0.658" thread length flat chamfer head style 0.035" hole diameter 32 thread quantity per inch passivate surface treated unrc thread series
3a thread class right-hand 0.320" thread length dished hexagon head style 0.365" grip length 32 thread quantity per inch green dye or paint on thread end cadmium surface treated unjf thread series
3a thread class right-hand 0.740" thread length double hexagon extended washer head style 28 thread quantity per inch with undercut between shoulder unjf thread series
3a thread class right-hand 0.481" thread length flat extended washer head style 32 thread quantity per inch breakaway torque 6.5 in. lbs., max torque 60 in. lbs. passivate surface treated unef thread series
