2a thread class right-hand 1.440" thread length hexagon head style 0.250" grip length 11 thread quantity per inch phosphate surface treated unc thread series
Used on coupling,shaft,flexible,nsn 3010-01-136-4871 on fairbanks morse 8 cylinder diesel engines model 38d8 1/8 onboard 140 foot coast guard vessels. 2a thread class right-hand dee chamfer head style 12 thread quantity per inch unf thread series
3a thread class right-hand 0.896" thread length hexagon head style 7.125" grip length 18 thread quantity per inch cadmium surface treated unf thread series
3a thread class right-hand 0.381" thread length hexagon head style 0.615" grip length 32 thread quantity per inch passivate surface treated unf thread series
3a thread class right-hand 0.990" thread length hexagon head style 0.060" hole diameter 0.315" grip length 24 thread quantity per inch unjf thread series
3a thread class right-hand 0.990" thread length hexagon head style 4.065" grip length 24 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.400" thread length hexagon head style 0.990" grip length 28 thread quantity per inch aluminum surface treated unjf thread series