3a thread class right-hand 0.490" thread length double hexagon head style 0.615" grip length 20 thread quantity per inch navy special project cadmium surface treated unjf thread series
3a thread class right-hand 0.172" thread length flat chamfer head style 32 thread quantity per inch flat black perma-resin no. 1 oxide surface treated unc thread series
3a thread class right-hand 0.150" thread length flush head style 28 thread quantity per inch thread relief groove 0.186 to 0.196 in. dia, 0.040 to 0.060 in. from bearing surface of head unf thread series
2a thread class right-hand 0.070" thread length flat countersunk head style 56 thread quantity per inch cadmium screw surface treated unc thread series
2a thread class right-hand 0.132" thread length flat countersunk head style 56 thread quantity per inch cadmium screw surface treated unc thread series
3a thread class right-hand 1.500" thread length hexagon head style 3.500" grip length 8 thread quantity per inch navy special project unc thread series
3a thread class right-hand 1.330" thread length hexagon head style 1.880" grip length 10 thread quantity per inch undercut under head 0.677 in. to 0.697 in. dia by 0.060 in. to 0.080 in. lg phosphate surface treated unc thread series
2a nut thread a thread class right-hand nut thread a 2.000" nut thread b thread length 38.420" overall length 20 nut thread a thread quantity per inch 45.0 deg. chamfer, both ends unf nut thread a thread series
2a thread class right-hand 0.361" thread length hexagon extended washer head style 16 thread quantity per inch externally relieved to 0.650 in. 1st dia from head by 0.200 in. largest bearing surface of head to end of 1st dia anodize surface treated counterbore unthreaded unf thread series
2a thread class right-hand 0.188" thread length pan no. 2 head style 32 thread quantity per inch navy special project passivate screw surface treated unc thread series
3a thread class right-hand 0.336" thread length flat chamfer head style 0.044" hole diameter 32 thread quantity per inch passivate surface treated unjf thread series
3a thread class right-hand 0.291" thread length flat countersunk head style 28 thread quantity per inch cadmium screw surface treated unjf thread series
2a thread class right-hand 0.407" thread length hexagon head style 32 thread quantity per inch navy special project cadmium surface treated unf thread series
3a thread class right-hand 0.312" thread length flat countersunk head style 0.333" grip length 32 thread quantity per inch navy special project cadmium surface treated unf thread series
3a thread class right-hand 0.645" thread length flat countersunk head style 0.565" grip length 24 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.387" thread length flat chamfer head style 24 thread quantity per inch passivate fastener surface treated unrc thread series
