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Series 300 - 3/16 cs
Oring groove dimensional data given here is for orings -309 thru -395.
| Groove corner radius: .020 to .035 | ||||||
| Face Seal (Axial) Glands | ||||||
| Groove Width | Gland Depth | Squeeze | ||||
| Liquids | Gases | Inches | % | |||
| min: | .270 | .239 | .152 | .043 | 21 | |
| max: | .290 | .244 | .162 | .063 | 30 | |
| Radial Glands | ||||||
| Diametral Clearance | Groove Width | Gland Depth | ||||
| 0 BR | 1 BR | 2 BR | Static | Dynamic | ||
| min: | .003 | .281 | .311 | .410 | .170 | .185 |
| max: | .006 | .286 | .316 | .415 | .173 | .188 |
| AS568B | Nominal Inches | Actual Inches | Actual Millimeters | ||||
| Number | ID | OD | CS | ID | CS | ID | CS |
| -309 | 7/16 | 13/16 | 3/16 | .412±.005 | .210±.005 | 10.46±0.13 | 5.33±0.13 |
| -310 | 1/2 | 7/8 | 3/16 | .475±.005 | .210±.005 | 12.07±0.13 | 5.33±0.13 |
| -311 | 9/16 | 15-16 | 3/16 | .537±.007 | .210±.005 | 13.64±0.18 | 5.33±0.13 |
| -312 | 5/8 | 1 | 3/16 | .600±.009 | .210±.005 | 15.24±0.23 | 5.33±0.13 |
| -313 | 11/16 | 1-1/16 | 3/16 | .662±.009 | .210±.005 | 16.81±0.23 | 5.33±0.13 |
| -314 | 3/4 | 1-1/8 | 3/16 | .725±.010 | .210±.005 | 18.42±0.25 | 5.33±0.13 |
| -315 | 13/16 | 1-3/16 | 3/16 | .787±.010 | .210±.005 | 19.99±0.25 | 5.33±0.13 |
| -316 | 7/8 | 1-1/4 | 3/16 | .850±.010 | .210±.005 | 21.59±0.25 | 5.33±0.13 |
| -317 | 15/16 | 1-5/16 | 3/16 | .912±.010 | .210±.005 | 23.16±0.25 | 5.33±0.13 |
| -318 | 1 | 1-3/8 | 3/16 | .975±.010 | .210±.005 | 24.77±0.25 | 5.33±0.13 |
| -319 | 1-1/16 | 1-7/16 | 3/16 | 1.037±.010 | .210±.005 | 26.34±0.25 | 5.33±0.13 |
| -320 | 1-1/8 | 1-1/2 | 3/16 | 1.100±.012 | .210±.005 | 27.94±0.30 | 5.33±0.13 |
| -321 | 1-3/16 | 1-9/16 | 3/16 | 1.162±.012 | .210±.005 | 29.51±0.30 | 5.33±0.13 |
| -322 | 1-1/4 | 1-5/8 | 3/16 | 1.225±.012 | .210±.005 | 31.12±0.30 | 5.33±0.13 |
| -323 | 1-5/16 | 1-11/16 | 3/16 | 1.287±.012 | .210±.005 | 32.69±0.30 | 5.33±0.13 |
| -324 | 1-3/8 | 1-3/4 | 3/16 | 1.350±.012 | .210±.005 | 34.29±0.30 | 5.33±0.13 |
| -325 | 1-1/2 | 1-7/8 | 3/16 | 1.475±.015 | .210±.005 | 37.47±0.38 | 5.33±0.13 |
| -326 | 1-5/8 | 2 | 3/16 | 1.600±.015 | .210±.005 | 40.64±0.38 | 5.33±0.13 |
| -327 | 1-3/4 | 2-1/8 | 3/16 | 1.725±.015 | .210±.005 | 43.82±0.38 | 5.33±0.13 |
| -328 | 1-7/8 | 2-1/4 | 3/16 | 1.850±.015 | .210±.005 | 46.99±0.38 | 5.33±0.13 |
| -329 | 2 | 2-3/8 | 3/16 | 1.975±.018 | .210±.005 | 50.17±0.46 | 5.33±0.13 |
| -330 | 2-1/8 | 2-1/2 | 3/16 | 2.100±.018 | .210±.005 | 53.34±0.46 | 5.33±0.13 |
| -331 | 2-1/4 | 2-5/8 | 3/16 | 2.225±.018 | .210±.005 | 56.52±0.46 | 5.33±0.13 |
| -332 | 2-3/8 | 2-3/4 | 3/16 | 2.350±.018 | .210±.005 | 59.69±0.46 | 5.33±0.13 |
| -333 | 2-1/2 | 2-7/8 | 3/16 | 2.475±.020 | .210±.005 | 62.87±0.51 | 5.33±0.13 |
| -334 | 2-5/8 | 3 | 3/16 | 2.600±.020 | .210±.005 | 66.04±0.51 | 5.33±0.13 |
| -335 | 2-3/4 | 3-1/8 | 3/16 | 2.725±.020 | .210±.005 | 69.22±0.51 | 5.33±0.13 |
| -336 | 2-7/8 | 3-1/4 | 3/16 | 2.850±.020 | .210±.005 | 72.39±0.51 | 5.33±0.13 |
| -337 | 3 | 3-3/8 | 3/16 | 2.975±.024 | .210±.005 | 75.57±0.61 | 5.33±0.13 |
| -338 | 3-1/8 | 3-1/2 | 3/16 | 3.100±.024 | .210±.005 | 78.74±0.61 | 5.33±0.13 |
| -339 | 3-1/4 | 3-5/8 | 3/16 | 3.225±.024 | .210±.005 | 81.92±0.61 | 5.33±0.13 |
| -340 | 3-3/8 | 3-3/4 | 3/16 | 3.350±.024 | .210±.005 | 85.09±0.61 | 5.33±0.13 |
| -341 | 3-1/2 | 3-7/8 | 3/16 | 3.475±.024 | .210±.005 | 88.27±0.61 | 5.33±0.13 |
| -342 | 3-5/8 | 4 | 3/16 | 3.600±.028 | .210±.005 | 91.44±0.71 | 5.33±0.13 |
| -343 | 3-3/4 | 4-1/8 | 3/16 | 3.725±.028 | .210±.005 | 94.62±0.71 | 5.33±0.13 |
| -344 | 3-7/8 | 4-1/4 | 3/16 | 3.850±.028 | .210±.005 | 97.79±0.71 | 5.33±0.13 |
| -345 | 4 | 4-3/8 | 3/16 | 3.975±.028 | .210±.005 | 100.97±0.71 | 5.33±0.13 |
| -346 | 4-1/8 | 4-1/2 | 3/16 | 4.100±.028 | .210±.005 | 104.14±0.71 | 5.33±0.13 |
| -347 | 4-1/4 | 4-5/8 | 3/16 | 4.225±.030 | .210±.005 | 107.32±0.76 | 5.33±0.13 |
| -348 | 4-3/8 | 4-3/4 | 3/16 | 4.350±.030 | .210±.005 | 110.49±0.76 | 5.33±0.13 |
| -349 | 4-1/2 | 4-7/8 | 3/16 | 4.475±.030 | .210±.005 | 113.67±0.76 | 5.33±0.13 |
| -350 | 4-5/8 | 5 | 3/16 | 4.600±.030 | .210±.005 | 116.84±0.76 | 5.33±0.13 |
| -351 | 4-3/4 | 5-1/8 | 3/16 | 4.725±.030 | .210±.005 | 120.02±0.76 | 5.33±0.13 |
| -352 | 4-7/8 | 5-1/4 | 3/16 | 4.850±.030 | .210±.005 | 123.19±0.76 | 5.33±0.13 |
| -353 | 5 | 5-3/8 | 3/16 | 4.975±.037 | .210±.005 | 126.37±0.94 | 5.33±0.13 |
| -354 | 5-1/8 | 5-1/2 | 3/16 | 5.100±.037 | .210±.005 | 129.54±0.94 | 5.33±0.13 |
| -355 | 5-1/4 | 5-5/8 | 3/16 | 5.225±.037 | .210±.005 | 132.72±0.94 | 5.33±0.13 |
| -356 | 5-3/8 | 5-3/4 | 3/16 | 5.350±.037 | .210±.005 | 135.89±0.94 | 5.33±0.13 |
| -357 | 5-1/2 | 5-7/8 | 3/16 | 5.475±.037 | .210±.005 | 139.07±0.94 | 5.33±0.13 |
| -358 | 5-5/8 | 6 | 3/16 | 5.600±.037 | .210±.005 | 142.24±0.94 | 5.33±0.13 |
| -359 | 5-3/4 | 6-1/8 | 3/16 | 5.725±.037 | .210±.005 | 145.42±0.94 | 5.33±0.13 |
| -360 | 5-7/8 | 6-1/4 | 3/16 | 5.850±.037 | .210±.005 | 148.59±0.94 | 5.33±0.13 |
| -361 | 6 | 6-3/8 | 3/16 | 5.975±.037 | .210±.005 | 151.77±0.94 | 5.33±0.13 |
| -362 | 6-1/4 | 6-5/8 | 3/16 | 6.225±.040 | .210±.005 | 158.12±1.02 | 5.33±0.13 |
| -363 | 6-1/2 | 6-7/8 | 3/16 | 6.475±.040 | .210±.005 | 164.47±1.02 | 5.33±0.13 |
| -364 | 6-3/4 | 7-1/8 | 3/16 | 6.725±.040 | .210±.005 | 170.82±1.02 | 5.33±0.13 |
| -365 | 7 | 7-3/8 | 3/16 | 6.975±.040 | .210±.005 | 177.17±1.02 | 5.33±0.13 |
| -366 | 7-1/4 | 7-5/8 | 3/16 | 7.225±.045 | .210±.005 | 183.52±1.14 | 5.33±0.13 |
| -367 | 7-1/2 | 7-7/8 | 3/16 | 7.475±.045 | .210±.005 | 189.87±1.14 | 5.33±0.13 |
| -368 | 7-3/4 | 8-1/8 | 3/16 | 7.725±.045 | .210±.005 | 196.22±1.14 | 5.33±0.13 |
| -369 | 8 | 8-3/8 | 3/16 | 7.975±.045 | .210±.005 | 202.57±1.14 | 5.33±0.13 |
| -370 | 8-1/4 | 8-5/8 | 3/16 | 8.225±.050 | .210±.005 | 208.92±1.27 | 5.33±0.13 |
| -371 | 8-1/2 | 8-7/8 | 3/16 | 8.475±.050 | .210±.005 | 215.27±1.27 | 5.33±0.13 |
| -372 | 8-3/4 | 9-1/8 | 3/16 | 8.725±.050 | .210±.005 | 221.62±1.27 | 5.33±0.13 |
| -373 | 9 | 9-3/8 | 3/16 | 8.975±.050 | .210±.005 | 227.97±1.27 | 5.33±0.13 |
| -374 | 9-1/4 | 9-5/8 | 3/16 | 9.225±.055 | .210±.005 | 234.32±1.40 | 5.33±0.13 |
| -375 | 9-1/2 | 9-7/8 | 3/16 | 9.475±.055 | .210±.005 | 240.67±1.40 | 5.33±0.13 |
| -376 | 9-3/4 | 10-1/8 | 3/16 | 9.725±.055 | .210±.005 | 247.02±1.40 | 5.33±0.13 |
| -377 | 10 | 10-3/8 | 3/16 | 9.975±.055 | .210±.005 | 253.37±1.40 | 5.33±0.13 |
| -378 | 10-1/2 | 10-7/8 | 3/16 | 10.475±.060 | .210±.005 | 266.07±1.52 | 5.33±0.13 |
| -379 | 11 | 11-3/8 | 3/16 | 10.975±.060 | .210±.005 | 278.77±1.52 | 5.33±0.13 |
| -380 | 11-1/2 | 11-7/8 | 3/16 | 11.475±.065 | .210±.005 | 291.47±1.65 | 5.33±0.13 |
| -381 | 12 | 12-3/8 | 3/16 | 11.975±.065 | .210±.005 | 304.17±1.65 | 5.33±0.13 |
| -382 | 13 | 13-3/8 | 3/16 | 12.975±.065 | .210±.005 | 329.57±1.65 | 5.33±0.13 |
| -383 | 14 | 14-3/8 | 3/16 | 13.975±.070 | .210±.005 | 354.97±1.78 | 5.33±0.13 |
| -384 | 15 | 15-3/8 | 3/16 | 14.975±.070 | .210±.005 | 380.37±1.78 | 5.33±0.13 |
| -385 | 16 | 16-3/8 | 3/16 | 15.955±.075 | .210±.005 | 405.26±1.91 | 5.33±0.13 |
| -386 | 17 | 17-3/8 | 3/16 | 16.955±.080 | .210±.005 | 430.66±2.03 | 5.33±0.13 |
| -387 | 18 | 18-3/8 | 3/16 | 17.955±.085 | .210±.005 | 456.06±2.16 | 5.33±0.13 |
| -388 | 19 | 19-3/8 | 3/16 | 18.955±.090 | .210±.005 | 481.46±2.29 | 5.33±0.13 |
| -389 | 20 | 20-3/8 | 3/16 | 19.955±.095 | .210±.005 | 506.86±2.41 | 5.33±0.13 |
| -390 | 21 | 21-3/8 | 3/16 | 20.955±.095 | .210±.005 | 532.26±2.41 | 5.33±0.13 |
| -391 | 22 | 22-3/8 | 3/16 | 21.955±.100 | .210±.005 | 557.66±2.54 | 5.33±0.13 |
| -392 | 23 | 23-3/8 | 3/16 | 22.940±.105 | .210±.005 | 582.68±2.67 | 5.33±0.13 |
| -393 | 24 | 24-3/8 | 3/16 | 23.940±.110 | .210±.005 | 608.08±2.79 | 5.33±0.13 |
| -394 | 25 | 25-3/8 | 3/16 | 24.940±.115 | .210±.005 | 633.48±2.92 | 5.33±0.13 |
| -395 | 26 | 26-3/8 | 3/16 | 25.940±.120 | .210±.005 | 658.88±3.05 | 5.33±0.13 |