Used on 1520-01-457-5179. 3a thread class right-hand 0.500" thread length double hexagon w/hole head style 1.0525" grip length 28 thread quantity per inch bolt, 12 point head aluminum surface treated unjf thread series
3a thread class right-hand 0.425" thread length dished hexagon head style 1.812" grip length 28 thread quantity per inch chromate surface treated unjf thread series