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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 .
MS21042 Datasheet
