scope:

This specification is approved for use by all Departments and Agencies of the Department of Defense.

The requirements for acquiring the product described herein shall consist of this specification sheet and the issue of the following specification listed in that issue of the Department of Defense Index of Specifications and Standards (DoDISS) specified in the solicitation: MIL-S-1222.

[A circled] Entire document revised Table I. Dash Numbers and Dimensions.

Dash Threads Width Across Flats Width Across Corners Thickness Number Size Per F G H ---------------------------------------------------------------------- Inch Max Min Max Min Max Min -------------------------------------------------------------------------------------------------------- -1 .2500 20UNC-2B .5000 .488 .577 .556 .250 .218 -2 .3125 18UNC-2B .5625 .546 .650 .622 .314 .280 -3 .3750 16UNC-2B .6875 .669 .794 .763 .377 .341 -4 .4375 14UNC-2B .7500 .728 .866 .830 .441 .403 -5 .5000 13UNC-2B .8750 .850 1.010 .969 .504 .464 -6 .5625 12UNC-2B .9375 .909 1.083 1.037 .568 .526 -7 .6250 11UNC-2B 1.0625 1.031 1.227 1.175 .631 .587 -8 .7500 10UNC-2B 1.2500 1.212 1.443 1.382 .758 .710 -9 .8750 9UNC-2B 1.4375 1.394 1.660 1.589 .885 .833 -10 1.0000 8UNC-2B 1.6250 1.575 1.876 1.796 1.012 .956 -11 1.1250 8UN-2B 1.8125 1.756 2.093 2.002 1.139 1.079 -12 1.2500 8UN-2B 2.0000 1.938 2.309 2.209 1.251 1.187 -13 1.3750 8UN-2B 2.1875 2.119 2.526 2.416 1.378 1.310 -14 1.5000 8UN-2B 2.3750 2.300 2.742 2.622 1.505 1.433 -15 1.7500 8UN-2B 2.7500 2.662 3.175 3.035 1.759 1.679 -16 2.0000 8UN-2B 3.1250 3.025 3.608 3.449 2.013 1.925 -17 2.2500 8UN-2B 3.5000 3.388 4.041 3.862 2.251 2.155 -18 2.5000 8UN-2B 3.8750 3.750 4.474 4.275 2.505 2.401 -19 2.7500 8UN-2B 4.2500 4.112 4.907 4.688 2.759 2.647 -20 3.0000 8UN-2B 4.6250 4.475 5.340 5.102 3.013 2.893