Used on helicopter model mh-53e. 2b thread class right-hand 0.310" thread length hexagon head style 40 thread quantity per inch passivate surface treated unc thread series
Used on lower bearing,c5a/b. 3a thread class right-hand 0.300" thread length double hexagon w/hole head style 0.045" hole diameter 28 thread quantity per inch make from MS9147-06 cadmium surface treated unf thread series
3a thread class right-hand 0.896" thread length hexagon head style 1.875" grip length 18 thread quantity per inch passivate surface treated unf thread series
2a thread class right-hand 1.750" thread length round w/wrench flats chamfered head style 0.265" hole diameter 13 thread quantity per inch unc thread series
3a thread class right-hand 0.499" thread length hexagon head style 1.984" grip length 18 thread quantity per inch passivate surface treated unf thread series
3a thread class right-hand 0.618" thread length double hexagon w/hole head style 2.140" grip length 24 thread quantity per inch bolt has a 0.350 in. min. passivate surface treated unjf thread series
2a thread class right-hand 0.835" thread length dished hexagon head style 20 thread quantity per inch weapon system essential phosphate zinc surface treated unc thread series
3a thread class right-hand 0.865" thread length hexagon head style 0.060" hole diameter 0.088" grip length 24 thread quantity per inch unjf thread series
3a thread class right-hand 6.819" thread length hexagon head style 0.070" hole diameter 28 thread quantity per inch cadmium surface treated unjf thread series
