2a thread class right-hand 0.500" thread length flat chamfer head style 0.047" hole diameter 32 thread quantity per inch cadmium surface treated unf thread series
3a thread class right-hand 0.561" thread length double hexagon extended washer head style 1.375" grip length 20 thread quantity per inch unf thread series
3a thread class right-hand 0.535" thread length double hexagon head style 1.000" grip length 20 thread quantity per inch cadmium surface treated unf thread series
3a thread class right-hand 0.432" thread length flat countersunk head style 2.178" grip length 24 thread quantity per inch cadmium surface treated unf thread series
3a thread class right-hand 0.375" thread length dished hexagon head style 1.125" grip length 24 thread quantity per inch cadmium surface treated unf thread series
3a thread class right-hand 0.570" thread length headless (setscrew) head style 32 thread quantity per inch centered head slot, 0.050 in. min, 0.060 in. max deep by 0.030 in. min, 0.035 in. max wide, one longitudinal slot measured from head 0.470 in. min, 0.480 in. max lg, by 0.056 in. min, 0.058 in. max w by 0.057 in. min, 0.065 in. deep unf thread series
Used on m109a2 sp,m109a3 sp,m146 mt tel,m109a4 sp,m109a3. 2a thread class right-hand 0.750" thread length fillister head style 16 thread quantity per inch unc thread series
