Used on truck, fire/crash p10;vehicle, commercial utility cargo (cucv). right-hand 13.10mm thread length hexagon extended washer head style point style thread forming phosphate bearing surface of head surface treated
3a thread class right-hand 1.361" thread length flat extended washer head style 20 thread quantity per inch 2 holes in waser directly opposite each other 0.122-0.128 in. dia; top of head chamfered 15.0 deg x 0.380 in. passivate surface treated unf thread series
Used on truck tractor, 5-ton(m818,m931)truckcargodropside,5-ton. 2a thread class right-hand 0.639" thread length hexagon head style 18 thread quantity per inch unc thread series
2a thread class right-hand 0.344" thread length round head style 32 thread quantity per inch cadmium fastener or zinc fastener surface treated unc thread series
3a thread class right-hand 0.376" thread length flat countersunk undercut head style 32 thread quantity per inch furnished with one o-ring passivate surface treated unc thread series