Used on an/aar-47. 3a thread class right-hand 0.654" thread length 0.047" hole diameter 32 thread quantity per inch passivate surface treated unf thread series
Used on spec item. 3a thread class right-hand 1.037" thread length 0.055" hole diameter 16 thread quantity per inch cadmium surface treated unf thread series
3a thread class right-hand 1.250" thread length flat chamfer head style 0.062" hole diameter 18 thread quantity per inch cadmium surface treated unc thread series