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
3a thread class right-hand 0.519" thread length flat countersunk head style 28 thread quantity per inch cadmium screw surface treated unf thread series
2a thread class right-hand 0.293" thread length flat countersunk head style 32 thread quantity per inch cadmium screw surface treated unc thread series
3a thread class right-hand 0.544" thread length hexagon head style 3.500" grip length 28 thread quantity per inch passivate surface treated unf thread series
3a thread class right-hand 0.690" thread length hexagon head style 18 thread quantity per inch navy special project cadmium surface treated unf thread series
Used on m109a3,m109a2 sp,m109a1b sp,m109a3 sp,m109a4 sp. 1.969" inside diameter 2.219" outside diameter straight gap ring style cadmium surface treated
Used on m109a1b sp,m109a3 sp,m109a4 sp,m109a3,m109a2 sp. 2.344" inside diameter 2.594" outside diameter straight gap ring style cadmium surface treated
flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 36000 single pounds per square inch shear strength anodize surface treated
1a thread class right-hand 0.350" thread length double hexagon extended washer head style 28 thread quantity per inch nickel surface treated unf thread series