Used on mast,41 ft utb u. s. coast guard vessels. 2a thread class right-hand 1.250" thread length 18 thread quantity per inch round bend unc thread series
2a thread class right-hand 0.250" thread length pan head style 32 thread quantity per inch navy special project passivate surface treated unf thread series
2a thread class right-hand 0.160" thread length pan head style 32 thread quantity per inch navy special project passivate surface treated unf thread series
3a thread class right-hand 0.355" thread length spline drive shear head head style 1.490" grip length 24 thread quantity per inch passivate surface treated unjf thread series
2a thread class right-hand 0.989" thread length flat chamfer head style 0.119" hole diameter 7 thread quantity per inch chromate surface treated unrc thread series
2a thread class right-hand 0.408" thread length flat chamfer head style 0.044" hole diameter 32 thread quantity per inch passivate surface treated unc thread series
3a thread class right-hand 1.670" thread length flat chamfer head style 0.061" hole diameter 13 thread quantity per inch cadmium surface treated unc thread series
3a thread class right-hand 0.487" thread length thumb no. 6 head style 28 thread quantity per inch 0.112 dia hole for plug at threaded end, 0.035 in. to 0.045 in. wide by 0.024 in. to 0.034 in. deep spline 3 places, spaced 120 degrees apart cadmium fastener surface treated unf thread series
3a thread class right-hand 1.751" thread length pan head style 32 thread quantity per inch navy special project passivate surface treated unjf thread series
Used on m12008000. 3a thread class right-hand 0.750" thread length flush head style 28 thread quantity per inch cadmium surface treated unrc thread series
