3a nut thread thread class right-hand nut thread 0.338" stud thread thread length 1.745" overall length 24 nut thread thread quantity per inch navy special project rate of reduction in shank end shank dia 0.0208 in. min 0.0209 in. max, shank tapered from shoulder shouldered unf stud thread thread series
3a thread class right-hand 0.499" thread length hexagon head style 0.070" hole diameter 0.422" grip length 24 thread quantity per inch oxide film surface treated unf thread series
3a nut thread thread class right-hand nut thread 0.338" stud thread thread length 1.745" overall length 24 nut thread thread quantity per inch rate of reduction in shank end shank dia 0.0208 in. min 0.0209 in. max, shank tapered from shoulder shouldered unf stud thread thread series
2a thread class right-hand 0.275" thread length hexagon head style 32 thread quantity per inch navy special project nickel screw surface treated unc thread series
3a thread class right-hand 0.480" thread length hexagon head style 0.070" hole diameter 28 thread quantity per inch drilled hole in head along longitudinal axis 0.250 in. dia by 0.400 in. deep unf thread series
3a thread class right-hand 0.350" thread length flat countersunk head style 0.615" grip length 24 thread quantity per inch cadmium surface treated unf thread series
3a thread class right-hand 0.469" thread length flat countersunk head style 1.178" grip length 24 thread quantity per inch bearing surface of head to be grooved to a 0.472 in. min., 0.474 in. max. dia, 0.115 in. min. 0.120 in. max. from top of head cadmium surface treated unf thread series