Used on special aircraft and engine tools,support equipment and parts. 2a thread class right-hand pan no. 2 head style 32 thread quantity per inch navy special project unf thread series
Used on w/s: aircraft, b-2 bomber (atb). 3a thread class right-hand 0.183" grip length 32 thread quantity per inch 95000 single pounds per square inch shear strength unjc thread series
3a thread class right-hand flush countersunk head style 0.683" grip length 32 thread quantity per inch 95000 single pounds per square inch shear strength unjf thread series
3a thread class right-hand flush countersunk head style 1.057" grip length 28 thread quantity per inch 95000 single pounds per square inch shear strength unjf thread series
3a thread class right-hand flush countersunk head style 0.370" grip length 32 thread quantity per inch 95000 single pounds per square inch shear strength unjf thread series
3a thread class right-hand 1.995" 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 0.307" 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 0.095" thread length fillister head style 32 thread quantity per inch navy special project passivate screw surface treated unjc thread series
2a nut thread a thread class right-hand nut thread a 3.750" nut thread a thread length 2.1875 feet overall length 4-1/2 nut thread a thread quantity per inch navy special project unc nut thread a thread series
3a thread class right-hand flush countersunk head style 0.370" grip length 28 thread quantity per inch 95000 single pounds per square inch shear strength unjf thread series
3a thread class right-hand flush countersunk head style 1.245" grip length 20 thread quantity per inch 95000 single pounds per square inch shear strength unjf thread series
