20 coast fabrication, inc. ph: (74) 842-2603 fax: (74)847-824 info@coastfab.com nas 1303 - nas 1316 series specifcations bolt, hex head, close tolerance 160,000 psi tensile basic part number thread a b ref c min d diameter h +.015 - .000 j + .015 - .000 k dia .010 m .010 n dia + .010 - .000 p (d) dia + .010 -.000 r rad t ref u ref before plate after plate nas303 #10-32 unf-3a .376 .367 0.43 0.359 .887 .88 .1895 .1885 0. 0 0.073 0.90 0.63 0.046 0.070 .020 .00 0.338 0.06 nas304 /4-28 unf-3a .439 .430 0.51 0.422 .2487 .248 .2495 .2485 0.125 0.083 0.250 0.78 0.046 0.076 .020 .00 0.425 0.08 nas1305 5/16-24 unf-3a .502 .492 0.58 0.484 .3 2 .306 .320 .3 0 0.156 0.04 0.30 0.8 0.070 0.076 .020 .00 0.469 0.02 nas306 3/8-24 unf-3a .564 .553 0.65 0.547 .3737 .373 .3745 .3735 0.88 0.125 0.380 0.97 0.070 0.06 .025 .015 0.578 0.02 nas307 7/6-20 unf-3a .690 .679 0.79 0.672 .4362 .4356 .4370 .4360 0.29 0.46 0.440 0.20 0.070 0.06 .025 .015 0.594 0.025 nas308 /2-20 unf-3a .752 .74 0.87 0.734 .4987 .498 .4995 .4985 0.250 0.67 0.500 0.26 0.070 0.06 .030 .020 0.735 0.025 nas309 9/6-8 unf-3a .877 .865 .0 0.859 .5607 .5601 .5616 .5605 0.28 0.88 0.560 0.28 0.070 0.4 .035 .020 0.840 0.028 nas30 5/8-18 unf-3a .940 .928 .09 0.922 .6232 .6226 .6240 .6230 0.32 0.208 0.620 0.249 0.070 0.4 .040 .025 0.902 0.028 nas32 3/4-6 unf-3a .064 1.052 .23 .047 .7482 .7476 .7490 .7480 0.375 0.250 0.750 0.252 0.070 0.4 .045 .030 .04 0.03 nas34 7/8-4 unf-3a 1.252 .239 .44 .234 .8732 .8726 .8740 .8730 0.438 0.292 0.880 0.257 0.070 0.4 .050 .035 .84 0.036 nas36 -2 unf-3a .440 .427 .66 .422 .9982 .9976 .9990 .9980 0.500 0.333 .000 0.264 0.070 0.4 .060 .045 .309 0.042 head marking: basic part no., applicable dash no., and manfacturers trademark raised or depressed .010 max. location optional drill n (3 holes) within .010 of center of hex flat when specified by part no. lock wire holes must be free from burrs and sharp edges. chamfer 15o to c optional thread per mil-s-7742, except major dia to be .001 below min shank dia. thread runout per mil-b-7838 (d) drill p when specified by part no, csk optional point shall be flat and cham - fered. chamfer u. chamfer plus incomplete threads not to exceed two pitches free datasheet http:///
2 coast fabrication, inc. ph: (74) 842-2603 fax: (74)847-824 info@coastfab.com nas 1303 - nas 1316 (length .015) dash no. grip .010 nas 303 nas 304 nas 1305 nas 306 nas 307 nas 308 nas 309 nas 30 nas 32 nas 34 nas 36 2 3 4 .062 .125 .88 .250 .400 .463 .526 .588 .487 .550 .63 .675 .531 .594 .657 .79 .640 .703 .766 .828 .656 .79 .782 .844 .797 .860 .923 .985 .902 .965 .028 .090 .964 .027 .090 1.152 .03 .66 .229 .29 .246 .309 .372 .434 .37 .434 .497 1.559 5 6 7 8 .32 .375 .438 .500 .650 .73 .776 .838 .737 .800 .863 .925 .78 .844 .907 .969 .890 .953 .06 .078 .906 .969 .032 .094 .047 . 0 .73 1.235 1.152 1.215 .278 .340 .24 .277 .340 .402 1.353 .46 .479 1.541 .496 1.559 .622 .684 .62 .684 .747 .809 9 0 2 .562 .625 .688 .750 .900 .963 .026 .088 .987 1.050 . 3 1.175 .03 .094 1.157 .29 .40 .203 .266 .328 1.156 .29 .282 .344 .297 .360 .423 1.485 .402 1.465 1.528 1.590 .464 1.527 1.590 1.652 .603 .666 .729 .79 .746 .809 .872 .934 .87 .934 .997 2.059 3 4 15 6 .82 .875 .938 .000 1.150 .23 .276 .338 .237 .300 .363 1.425 .28 .344 .407 .469 .390 1.453 1.516 1.578 .406 .469 1.532 1.594 1.547 .60 .673 1.735 1.652 1.715 .778 .840 .74 .777 .840 .902 1.853 .96 .979 2.04 .996 2.059 2.22 2.84 2.2 2.84 2.247 2.309 7 8 9 20 .062 1.125 .88 1.250 .400 .463 1.526 1.588 .487 1.550 .63 1.675 1.531 1.594 1.657 .79 .640 .703 .766 .828 1.656 .79 .782 .844 .797 .860 .923 1.985 .902 1.965 2.028 2.090 .964 2.027 2.090 2.152 2.03 2.66 2.229 2.29 2.246 2.309 2.372 2.434 2.37 2.434 2.497 2.559 2 22 23 24 .32 1.375 .438 1.500 1.650 .73 .776 .838 .737 .800 .863 1.925 .78 .844 .907 .969 .890 1.953 2.06 2.078 .906 .969 2.032 2.094 2.047 2. 0 2.73 2.235 2.152 2.215 2.278 2.340 2.24 2.277 2.340 2.402 2.353 2.46 2.479 2.541 2.496 2.559 2.622 2.684 2.62 2.684 2.747 2.809 25 26 27 28 1.562 1.625 .688 1.750 .900 .963 2.026 2.088 .987 2.050 2. 3 2.175 2.03 2.094 2.157 2.29 2.40 2.203 2.266 2.328 2.156 2.29 2.282 2.344 2.297 2.360 2.423 2.485 2.402 2.465 2.528 2.590 2.464 2.527 2.590 2.652 2.603 2.666 2.729 2.79 2.746 2.809 2.872 2.934 2.87 2.934 2.997 3.059 29 30 3 32 .82 1.875 .938 2.000 2.150 2.23 2.276 2.338 2.237 2.300 2.363 2.425 2.28 2.344 2.407 2.469 2.390 2.453 2.516 2.578 2.406 2.469 2.532 2.594 2.547 2.60 2.673 2.735 2.652 2.715 2.778 2.840 2.74 2.777 2.840 2.902 2.853 2.96 2.979 3.04 2.996 3.059 3.22 3.84 3.2 3.84 3.247 3.309 34 36 38 40 2.125 2.250 2.375 2.500 2.463 2.588 2.73 2.838 2.550 2.675 2.800 2.925 2.594 2.79 2.844 2.969 2.703 2.828 2.953 3.078 2.79 2.844 2.969 3.094 2.860 2.985 3. 0 3.235 2.965 3.090 3.215 3.340 3.027 3.152 3.277 3.402 3.66 3.29 3.46 3.541 3.309 3.434 3.559 3.684 3.434 3.559 3.684 3.809 42 44 46 48 2.625 2.750 2.875 3.000 2.963 3.088 3.23 3.338 3.050 3.175 3.300 3.425 3.094 3.29 3.344 3.469 3.203 3.328 3.453 3.578 3.29 3.344 3.469 3.594 3.360 3.485 3.60 3.735 3.465 3.590 3.715 3.840 3.527 3.652 3.777 3.902 3.666 3.79 3.96 4.04 3.809 3.934 4.059 4.84 3.934 4.059 4.84 4.309 50 52 54 56 3.125 3.250 3.375 3.500 3.463 3.588 3.73 3.838 3.550 3.675 3.800 3.925 3.594 3.79 3.844 3.969 3.703 3.828 3.953 4.078 3.79 3.844 3.969 4.094 3.860 3.985 4. 0 4.235 3.965 4.090 4.215 4.340 4.027 4.152 4.277 4.402 4.66 4.29 4.46 4.541 4.309 4.434 4.559 4.684 4.434 4.559 4.684 4.809 58 60 62 64 3.625 3.750 3.875 4.000 3.963 4.088 4.23 4.338 4.050 4.175 4.300 4.425 4.094 4.29 4.344 4.469 4.203 4.328 4.453 4.578 4.29 4.344 4.469 4.594 4.360 4.485 4.60 4.735 4.465 4.590 4.715 4.840 4.527 4.652 4.777 4.902 4.666 4.79 4.96 5.041 4.809 4.934 5.059 5.184 4.934 5.059 5.184 5.309 66 68 70 72 4.125 4.250 4.375 4.500 4.463 4.588 4.73 4.838 4.550 4.675 4.800 4.925 4.594 4.79 4.844 4.969 4.703 4.828 4.953 5.078 4.79 4.844 4.969 5.094 4.860 4.985 5.110 5.235 4.965 5.090 5.215 5.340 5.027 5.152 5.277 5.402 5.166 5.291 5.416 5.541 5.309 5.434 5.559 5.684 5.434 5.559 5.684 5.809 74 76 78 80 4.625 4.750 4.875 5.000 4.963 5.088 5.213 5.338 5.050 5.175 5.300 5.425 5.094 5.219 5.344 5.469 5.203 5.328 5.453 5.578 5.219 5.344 5.469 5.594 5.360 5.485 5.610 5.735 5.465 5.590 5.715 5.840 5.527 5.652 5.777 5.902 5.666 5.791 5.916 6.04 5.809 5.934 6.059 6.84 5.934 6.059 6.84 6.309 82 84 86 88 5.125 5.250 5.375 5.500 5.463 5.588 5.713 5.838 5.550 5.675 5.800 5.925 5.594 5.719 5.844 5.969 5.703 5.828 5.953 6.078 5.719 5.844 5.969 6.094 5.860 5.985 6. 0 6.235 5.965 6.090 6.215 6.340 6.027 6.152 6.277 6.402 6.66 6.29 6.46 6.541 6.309 6.434 6.559 6.684 6.434 6.559 6.684 6.809 90 92 94 96 5.625 5.750 5.875 6.000 5.963 6.088 6.23 6.338 6.050 6.175 6.300 6.425 6.094 6.29 6.344 6.469 6.203 6.328 6.453 6.578 6.29 6.344 6.469 6.594 6.360 6.485 6.60 6.735 6.465 6.590 6.715 6.840 6.527 6.652 6.777 6.902 6.666 6.79 6.96 7.04 6.809 6.934 7.059 7.84 6.934 7.059 7.84 7.309 free datasheet http:///
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