Used on family of hemtt vehicles (heavy expanded mobility tactical trucks). 2a thread class right-hand 0.409" thread length watertight head style 32 thread quantity per inch cadmium screw surface treated plastic gasket on bearing surface of head unf thread series
3a thread class right-hand 0.442" thread length oval countersunk head style 0.490" grip length 24 thread quantity per inch passivate surface treated unjf thread series
Used on hemtt family (heavy expanded mobility tactical trucks);2320-01-304-2277 and 2320-01-304-2278 pls (palletized loading system). 2a thread class right-hand 1.250" thread length hexagon extended washer head style 13 thread quantity per inch phosphate surface treated unc thread series
3a thread class right-hand 0.484" thread length flat chamfer head style 18 thread quantity per inch grooved area 0.146 in min, 0.166 in max dia, centered 0.156 in from bearing surface of head. groove area radius 0.090 in min to 0.096 in max passivate surface treated unc thread series
3b thread class right-hand flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 0.250" grip length 32 thread quantity per inch furnished without bolt cadmium expander surface treated unf thread series
Used on spec item. 3a thread class right-hand 0.306" thread length crowned hexagon head style 2.312" grip length 24 thread quantity per inch retaining element in shank passivate surface treated unjf thread series
2a thread class right-hand 0.600" thread length crowned hexagon head style 13 thread quantity per inch nylon strip locking feature in threads zinc surface treated unrc thread series