2a thread class right-hand 0.131" thread length pan no. 2 head style 32 thread quantity per inch includes o-ring paint surface treated unc thread series
2a thread class right-hand 0.308" thread length flat countersunk head style 56 thread quantity per inch cadmium screw surface treated unc thread series
3a thread class right-hand 0.251" thread length flat countersunk head style 32 thread quantity per inch passivate screw surface treated unjf thread series
2a thread class right-hand 0.740" thread length round head style 48 thread quantity per inch navy special project passivate screw surface treated unc thread series
3a thread class right-hand 0.380" thread length flat countersunk head style 0.427" grip length 32 thread quantity per inch cadmium surface treated unf thread series
3a thread class right-hand 0.877" thread length dished hexagon head style 1.740" grip length 18 thread quantity per inch passivate surface treated unf thread series
Used on sea knight helicopter. 3a thread class right-hand 0.669" thread length double hexagon w/hole head style 2.990" grip length 20 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.490" thread length flat countersunk head style 1.115" grip length 20 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.343" thread length hexagon head style 7.625" grip length 24 thread quantity per inch cadmium surface treated unf thread series
2a thread class right-hand 0.188" thread length fillister head style 32 thread quantity per inch passivate screw surface treated hole drilled thru longitudinal axis 0.040 in. min.0.050 in. max dia unf thread series
3a thread class right-hand 1.375" thread length hexagon head style 2.235" grip length 12 thread quantity per inch passivate surface treated unf thread series
2a thread class right-hand 0.462" thread length hexagon head style 24 thread quantity per inch navy special project passivate surface treated unf thread series