2a nut thread thread class right-hand nut thread 0.650" stud thread thread length 3.900" overall length 16 nut thread thread quantity per inch 0.312 in. width across flats by 0.300 in. deep wrenching facility 0n the nut end passivate surface treated shouldered unc nut thread thread series
2a nut thread thread class right-hand nut thread 0.256" nut thread thread length 1.000" overall length 32 nut thread thread quantity per inch navy special project fthreads on one end only; 0.1875 in. shoulder dia., minus 0.0002 in.x 0.650 in. shoulder length; threads undercut to 0.110 in. dia., plus 0.015 in. minus 0.010 in.x 0.094 in. max. thread relief length passivate surface treated unc nut thread thread series
3a thread class right-hand 0.325" nut thread thread length 1.344" overall length 32 thread quantity per inch hex drive both ends w/a/f 0.079 min, 0.080 max in., 0.080 min, 0.100 max in. dp aluminum surface treated shouldered unjf thread series