2a nut thread thread class right-hand nut thread 0.750" nut thread thread length 16 nut thread thread quantity per inch navy special project welding unc nut thread thread series
3a thread class right-hand 0.250" grip length 32 thread quantity per inch 115000 single pounds per square inch shear strength orange identification on top of head unjf thread series
Used on w/s:aircraft, hornet f/a-18. 3a thread class right-hand 0.683" grip length 20 thread quantity per inch 125000 single pounds per square inch shear strength identify with white paint on head unjf thread series
2a thread class right-hand 0.090" thread length flat chamfer head style 64 thread quantity per inch under cut under bearing surface of head 0.028 in. min, 0.034 in. max length by 0.069 in. min, 0.075 in. max dia passivate surface treated unf thread series
2a thread class right-hand 0.310" thread length flat chamfer head style 32 thread quantity per inch navy special project passivate surface treated unc thread series
Used on 2350-01-328-5964tank combat,full tracked. 2a thread class 0.250" thread length hexagon head style 20 thread quantity per inch unc thread series
2a nut thread thread class right-hand nut thread 0.750" overall length A20 thread quantity per inch navy special project passivate surface treated self-locking unc nut thread thread series