Used on f-15 aircraft. 3a thread class right-hand 0.531" thread length flat countersunk head style 1.000" grip length 24 thread quantity per inch aluminum surface treated unjf thread series
Used on f-15 aircraft. 3a thread class right-hand 0.641" thread length oval countersunk head style 1.000" grip length 24 thread quantity per inch unjf thread series
Used on f-15 aircraft. 3a thread class right-hand 0.641" thread length oval countersunk head style 0.750" grip length 24 thread quantity per inch unjf thread series