Used on F-15S. 3a thread class right-hand flush countersunk head style 0.365" grip length 28 thread quantity per inch 125000 single pounds per square inch shear strength passivate surface treated unjf thread series
Used on F-15S. flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 49000 single pounds per square inch shear strength cadmium surface treated
3a thread class right-hand 0.363" thread length flat countersunk head style 0.365" grip length 32 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.641" thread length flat chamfer head style 0.562" grip length 24 thread quantity per inch passivate surface treated unjf thread series