3a thread class right-hand 0.625" thread length flat countersunk head style 32 thread quantity per inch item may be mildly magnetic oxide surface treated unf thread series
Used on c-17a aircraft. 3a thread class right-hand 0.363" thread length pan no. 2 head style 0.312" grip length 32 thread quantity per inch bolt, flat pan head cadmium surface treated unjf thread series
Used on 1520-01-553-3536; helicopter, attack. 3a thread class right-hand 0.450" thread length dee chamfer head style 32 thread quantity per inch screw, captive, self retracting, crimp ring type material is cres a-286 unjf thread series
Used on c-17a aircraft. 3a thread class right-hand 0.905" thread length hexagon head style 0.065" hole diameter 1.220" grip length 24 thread quantity per inch bolt, machined-hexagon head, drilled 1 hole unjf thread series
