Used on 2420-66-148-7692, hmee (high mobility engineer excavator); 3990-01-444-5196 cement mixer. right-hand 23.0mm thread length hexagon extended washer head style m thread series
2a thread class right-hand 0.470" thread length hexagon head style 24 thread quantity per inch slot on fastener bet threads passivate surface treated unc thread series
2a thread class right-hand 1.000" thread length dished hexagon head style 16 thread quantity per inch navy special project passivate surface treated unc thread series