NAS1291

MS21042 / NAS1291 Series Specifications Nuts, Self-locking, 450°, Reduced Hexagon, Reduced Height, Ring Base, Non-Corrosion Resistant Steel 35 Size Dash No. 02 04 06 08 3 4 5 6 7 8 9 10 Thread a 2-56 UNC-3B 4-40 UNC-3B 6-32 UNC-3B 8-32 UNC-3B 10-32 UNF-3B 1/4-28 UNF-3B 5/16-24 UNF-3B 3/8-24 UNF-3B 7/16-20 UNF-3B 1/2-20 UNF-3B 9/16-18 UNF-3B 5/8-18 UNF-3B A Max .167 .206 .244 .290 .330 .420 .520 .620 .708 .814 .912 1.014 B Min .137 .176 .214 .260 .290 .386 .482 .575 .680 .786 .874 .976 C Min .138 .171 .207 .244 .277 .347 .419 .491 .562 .633 .775 .846 D Max .106 .142 .168 .194 .220 .280 .342 .405 .467 .530 .592 .655 Min .086 .112 .138 .164 .190 .250 .312 .375 .437 .500 .562 .625 Ed Min .045 .050 .055 .060 .065 .090 .120 .125 .160 .225 .320 .365 Fe Min .019 .028 .039 .041 .043 .057 .077 .089 - G Max .021 .027 .031 .031 .031 .036 .042 .042 Min .004 .005 .006 .006 .006 .007 .008 .008 Max .100 .125 .141 .188 .188 .219 .266 .282 .328 .410 .480 .550 H Min .080 .103 .115 .125 .154 .204 .251 .267 .313 .350 .420 .490 J Min .010 .010 .010 .015 .015 .019 .023 .030 .035 .040 .045 .050 Wc Max .127 .158 .190 .221 .252 .316 .378 .440 .504 .566 .692 .755 Min .122 .150 .181 .213 .243 .304 .367 .430 .494 .556 .680 .743 Xb .0025 .003 .003 .003 .003 .003 .004 .004 .004 .004 .004 .004 Axial f Strength Min, lb 660 1110 1670 2490 3470 6200 9820 15200 20600 27500 34800 43600 Weight lb/100 Max .020 .050 .080 .150 .180 .350 .600 .800 1.30 2.10 3.60 4.50 Wrenching Torque Test f Value, in-...