Used on mrap - m-atv with cs13 pop and sne. 3a thread class right-hand 0.494" thread length flat chamfer head style 20 thread quantity per inch zinc surface treated unc thread series
2a thread class right-hand 0.273" thread length hexagon head style 32 thread quantity per inch nitride coating per sp-908 except for threads. masking sufficient unc thread series
3a thread class right-hand 0.295" thread length knurled no. 3 head style 32 thread quantity per inch anodize stand-off surface treated unf thread series
3b thread class right-hand 0.644" thread length 20 thread quantity per inch anti rotation knurl thats centrally located; dry film lube per mil-l-8937 on threads only passivate surface treated flange unjf thread series
3b thread class right-hand 0.888" thread length 20 thread quantity per inch centrally located anti rotation knurl passivate surface treated flange unjf thread series
2a thread class right-hand 0.750" thread length knurled no. 3 head style 20 thread quantity per inch cotter pin hole thru threads; dia 0.213 unc thread series
3a thread class right-hand 0.630" thread length flat chamfer head style 20 thread quantity per inch 3 milled slots that line up with flats of hex unc thread series