2a thread class right-hand 0.395" thread length flat countersunk head style 24 thread quantity per inch anodize screw surface treated unc thread series
Used on harrier;f/a-18 hornet. 3a thread class right-hand 0.140" thread length flat chamfer head style 40 thread quantity per inch passivate fastener surface treated unc thread series
3a thread class right-hand flush countersunk head style 0.317" grip length 24 thread quantity per inch 95000 single pounds per square inch shear strength unjf thread series
3a thread class right-hand 0.350" thread length flat countersunk head style 3.615" grip length 24 thread quantity per inch passivate surface treated unjf thread series
Used on part of interior armor kit 2540-01-533-8813; nha nsn m915a3 armor kit 2540-01-523-1336; armored version of m915a3 2320-01-523-2486. 3a thread class right-hand 0.889" thread length hexagon head style 18 thread quantity per inch zinc surface treated unc thread series
2a thread class right-hand 0.520" thread length hexagon extended washer head style 20 thread quantity per inch cadmium or zinc surface treated unc thread series