Used on agm-130 missile. 2a thread class right-hand headless (setscrew) head style 16 thread quantity per inch cadmium surface treated unc thread series
Used on nsn 4210-01-486-1035 tfft (tactical fire fighting truck). 3a thread class right-hand 0.150" thread length headless (setscrew) head style 20 thread quantity per inch unc thread series
1a thread class right-hand 0.190" thread length headless (setscrew) head style 28 thread quantity per inch 2a or 3a optional classes for threads unf thread series
3a thread class right-hand 0.552" thread length headless (setscrew) head style A32 thread quantity per inch passivate surface treated unf thread series