4a stud thread thread class right-hand nut thread 0.490" nut thread thread length 18 nut thread thread quantity per inch navy special project unc nut thread thread series
3a nut thread thread class right-hand nut thread 0.525" nut thread thread length 1.175" overall length 27 stud thread thread quantity per inch chamfered 0.020 T0 0.050 in. by 45.0 deg plus or MINUS2.0 deg 0n stud endchamfered 0.20 to 0.050 in. BY45.0 deg plus or MINUS2.0 deg on nut end cadmium surface treated shouldered uns stud thread thread series
3a nut thread thread class right-hand nut thread 0.360" stud thread thread length 1.140" overall length 32 nut thread thread quantity per inch navy special project internal drive socket on nut end 0.094 in min, 0.096 inmax width between flats, 0.100 in min, 0.120 in max deep shouldered unjf nut thread thread series
3a nut thread thread class right-hand nut thread 0.485" stud thread thread length 3.355" overall length 24 nut thread thread quantity per inch shoulder is eccentric to body shouldered unf nut thread thread series
2a nut thread thread class left-hand stud thread 0.628" nut thread thread length 32 nut thread thread quantity per inch one groove 0.335 in. min to 0.345 in. max dia, 0.050 in. min to 0.070 in. max lg between each unthreaded portion unef stud thread thread series
3a nut THREAD3a stud thread thread class right-hand nut threadright-hand stud thread 0.500" nut THREAD0.312" stud thread thread length 1.250" overall length 20 nut THREAD20 stud thread thread quantity per inch navy special project countersunk both ends; relief both ends 0.072 in. wide; 0.171 in. dia shouldered unc nut threadunc stud thread thread series
