| O-Rings (page 2.6 of 4) |  |
| O-Rings (page 2.6 of 4) | |
AEROSPACE STANDARD 568 DASH NUMBERS
(-001 thru -050) (-102 thru -150) (-151 thru -219) (-220 thru -269)
(-270 thru -341) (-342 thru -391) (-392 thru -475)
| (A) = Size Reference (B) = Volume Cubic Inches (C) = Volume Cubic Centimeters | |||||||||
| Nominal Size Inches | Actual Size Inches | Actual Size Millimeters | |||||||
| (A) | I.D. | O.D. | W | I.D. | W | (B) | I.D. | W | (C) |
| -342 | 3-5/8 | 4 | 3/16 | 3.600 + .028 | .210 + .005 | .4146 | 91.44 + 0.71 | 5.34 + 0.12 | 6.794 |
| -343 | 3-3/4 | 4-1/8 | 3/16 | 3.725 + .028 | .210 + .005 | .4282 | 94.62 + 0.71 | 5.34 + 0.12 | 7.017 |
| -344 | 3-7/8 | 4-1/4 | 3/16 | 3.850 + .028 | .210 + .005 | .4418 | 97.79 + 0.71 | 5.34 + 0.12 | 7.240 |
| -345 | 4 | 4-3/8 | 3/16 | 3.975 + .028 | .210 + .005 | .4554 | 100.96 + 0.71 | 5.34 + 0.12 | 7.463 |
| -346 | 4-1/8 | 4-1/2 | 3/16 | 4.100 + .028 | .210 + .005 | .4690 | 104.14 + 0.71 | 5.34 + 0.12 | 7.686 |
| -347 | 4-1/4 | 4-5/8 | 3/16 | 4.225 + .030 | .210 + .005 | .4826 | 107.32 + 0.76 | 5.34 + 0.12 | 7.908 |
| -348 | 4-3/8 | 4-3/4 | 3/16 | 4.350 + .030 | .210 + .005 | .4962 | 110.49 + 0.76 | 5.34 + 0.12 | 8.131 |
| -349 | 4-1/2 | 4-7/8 | 3/16 | 4.475 + .030 | .210 + .005 | .5098 | 113.67 + 0.76 | 5.34 + 0.12 | 8.354 |
| -350 | 4-5/8 | 5 | 3/16 | 4.600 + .030 | .210 + .005 | .5234 | 116.84 + 0.76 | 5.34 + 0.12 | 8.577 |
| -351 | 4-3/4 | 5-1/8 | 3/16 | 4.725 + .030 | .210 + .005 | .5370 | 120.02 + 0.76 | 5.34 + 0.12 | 8.800 |
| -352 | 4-7/8 | 5-1/4 | 3/16 | 4.850 + .030 | .210 + .005 | .5506 | 123.19 + 0.76 | 5.34 + 0.12 | 9.023 |
| -353 | 5 | 5-3/8 | 3/16 | 4.975 + .037 | .210 + .005 | .5642 | 126.37 + 0.94 | 5.34 + 0.12 | 9.246 |
| -354 | 5-1/8 | 5-1/2 | 3/16 | 5.100 + .037 | .210 + .005 | .5778 | 129.54 + 0.94 | 5.34 + 0.12 | 9.468 |
| -355 | 5-1/4 | 5-5/8 | 3/16 | 5.225 + .037 | .210 + .005 | .5914 | 132.72 + 0.94 | 5.34 + 0..12 | 9.691 |
| -356 | 5-3/8 | 5-3/4 | 3/16 | 5.350 + .037 | .210 + .005 | .6050 | 135.89 + 0.94 | 5.34 + 0.12 | 9.914 |
| -357 | 5-1/2 | 5-7/8 | 3/16 | 5.475 + .037 | .210 + .005 | .6186 | 139.07 + 0.94 | 5.34 + 0.12 | 10.137 |
| -358 | 5-5/8 | 6 | 3/16 | 5.600 + .037 | .210 + .005 | .6322 | 142.24 + 0.94 | 5.34 + 0.12 | 10.360 |
| -359 | 5-3/4 | 6-1/8 | 3/16 | 5.725 + .037 | .210 + .005 | .6458 | 145.42 + 0.94 | 5.34 + 0.12 | 10.583 |
| -360 | 5-7/8 | 6-1/4 | 3/16 | 5.850 + .037 | .210 + .005 | .6594 | 148.59 + 0.94 | 5.34 + 0.12 | 10.806 |
| -361 | 6 | 6-3/8 | 3/16 | 5.975 + .037 | .210 + .005 | .6730 | 151.77 + 0.94 | 5.34 + 0.12 | 11.029 |
| -362 | 6-1/4 | 6-5/8 | 3/16 | 6.225 + .040 | .210 + .005 | .7002 | 158.12 + 1.12 | 5.34 + 0.12 | 11.474 |
| -363 | 6-1/2 | 6-7/8 | 3/16 | 6.475 + .040 | .210 + .005 | .7274 | 164.47 + 1.12 | 5.34 + 0.12 | 11.920 |
| -364 | 6-3/4 | 7-1/8 | 3/16 | 6.725 + .040 | .210 + .005 | .7546 | 170.82 + 1.12 | 5.34 + 0.12 | 12.366 |
| -365 | 7 | 7-3/8 | 3/16 | 6.975 + .040 | .210 + .005 | .7818 | 177.17 + 1.12 | 5.34 + 0.12 | 12.811 |
| -366 | 7-1/4 | 7-5/8 | 3/16 | 7.225 + .045 | .210 + .005 | .8090 | 183.52 + 1.14 | 5.34 + 0.12 | 13.257 |
| -367 | 7-1/2 | 7-7/8 | 3/16 | 7.475 + .045 | .210 + .005 | .8362 | 189.87 + 1.14 | 5.34 + 0.12 | 13.703 |
| -368 | 7-3/4 | 8-1/8 | 3/16 | 7.725 + .045 | .210 + .005 | .8634 | 196.22 + 1.14 | 5.34 + 0.12 | 14.149 |
| -369 | 8 | 8-3/8 | 3/16 | 7.975 + .045 | .210 + .005 | .8906 | 202.57 + 1.14 | 5.34 + 0.12 | 14.594 |
| -370 | 8-1/4 | 8-5/8 | 3/16 | 8.225 + .050 | .210 + .005 | .9178 | 208.92 + 1.30 | 5.34 + 0.12 | 15.040 |
| -371 | 8-1/2 | 8-7/8 | 3/16 | 8.457 + .050 | .210 + .005 | .9450 | 215.27 + 1.30 | 5.34 + 0.12 | 15.486 |
| -372 | 8-3/4 | 9-1/8 | 3/16 | 8.725 + .050 | .210 + .005 | .9722 | 221.62 + 1.30 | 5.34 + 0.12 | 15.932 |
| -373 | 9 | 9-3/8 | 3/16 | 8.975 + .050 | .210 + .005 | .9994 | 227.97 + 1.30 | 5.34 + 0.12 | 16.377 |
| -374 | 9-1/4 | 9-5/8 | 3/16 | 9.225 + .055 | .210 + .005 | 1.0266 | 234.32 + 1.40 | 5.34 + 0.12 | 16.823 |
| -375 | 9-1/2 | 9-7/8 | 3/16 | 9.475 + .055 | .210 + .005 | 1.0538 | 240.67 + 1.40 | 5.34 + 0.12 | 17.269 |
| -376 | 9-3/4 | 10-1/8 | 3/16 | 9.725 + .055 | .210 + .005 | 1.0811 | 247.02 + 1.40 | 5.34 + 0.12 | 17.716 |
| -377 | 10 | 10-3/8 | 3/16 | 9.975 + .055 | .210 + .005 | 1.1083 | 253.37 + 1.40 | 5.34 + 0.12 | 18.162 |
| -378 | 10-1/2 | 10-7/8 | 3/16 | 10.475 + .060 | .210 + .005 | 1.1627 | 266.07 + 1.52 | 5.34 + 0.12 | 19.053 |
| -379 | 11 | 11-3/8 | 3/16 | 10.975 + .060 | .210 + .005 | 1.2171 | 278.77 + 1.52 | 5.34 + 0.12 | 19.945 |
| -380 | 11-1/2 | 11-7/8 | 3/16 | 11.475 + .065 | .210 + .005 | 1.2715 | 291.47 + 1.65 | 5.34 + 0.12 | 20.836 |
| -381 | 12 | 12-3/8 | 3/16 | 11.975 + .065 | .210 + .005 | 1.3259 | 304.17 + 1.65 | 5.34 + 0.12 | 21.726 |
| -382 | 13 | 13-3/8 | 3/16 | 12.975 + .065 | .210 + .005 | 1.4347 | 329.55 + 1.65 | 5.34 + 0.12 | 23.511 |
| -383 | 14 | 14-3/8 | 3/16 | 13.975 + .070 | .210 + .005 | 1.535 | 354.97 + 1.78 | 5.34 + 0.12 | 25.293 |
| -384 | 15 | 15-3/8 | 3/16 | 14.975 + .070 | .210 + .005 | 1.6523 | 380.37 + 1.78 | 5.34 + 0.12 | 27.076 |
| -385 | 16 | 16-3/8 | 3/16 | 15.955 + .075 | .210 + .005 | 1.7590 | 405.26 + 1.90 | 5.34 + 0.12 | 28.825 |
| -386 | 17 | 17-3/8 | 3/16 | 16.955 + .080 | .210 + .005 | 1.8678 | 430.65 + 2.05 | 5.34 + 0.12 | 30.608 |
| -387 | 18 | 18-3/8 | 3/16 | 17.955 + .085 | .210 + .005 | 1.9766 | 456.06 + 2.15 | 5.34 + 0.12 | 32.391 |
| -388 | 19 | 19-3/8 | 3/16 | 18.955 + .090 | .210 + .005 | 2.0854 | 481.46 + 2.25 | 5.34 + 0.12 | 34.174 |
| -389 | 20 | 20-3/8 | 3/16 | 19.955 + .095 | .210 + .005 | 2.1942 | 506.86 + 2.25 | 5.34 + 0.12 | 35.957 |
| -390 | 21 | 21-3/8 | 3/16 | 20.955 + .095 | .210 + .005 | 2.3030 | 532.26 + 2.25 | 5.34 + 0.12 | 37.739 |
| -391 | 22 | 22-3/8 | 3/16 | 21.955 + .100 | .210 + .005 | 2.4118 | 557.66 + 2.55 | 5.34 + 0.12 | 39.522 |
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