–Actual Inches | Actual Millimeters | |||||||
AS 568
Dash # | Inside
Diameter | Tol. | Cross
Section | Tol. | Inside
Diameter | Tol. | Cross
Section | Tol. |
-309 | .412 | .005 | .210 | .005 | 10.46 | 0.13 | 5.33 | 0.13 |
-310 | .475 | .005 | .210 | .005 | 12.07 | 0.13 | 5.33 | 0.13 |
-311 | .537 | .007 | .210 | .005 | 13.64 | 0.18 | 5.33 | 0.13 |
-312 | .600 | .009 | .210 | .005 | 15.24 | 0.23 | 5.33 | 0.13 |
-313 | .662 | .009 | .210 | .005 | 16.81 | 0.23 | 5.33 | 0.13 |
-314 | .725 | .010 | .210 | .005 | 18.42 | 0.25 | 5.33 | 0.13 |
-315 | .787 | .010 | .210 | .005 | 19.99 | 0.25 | 5.33 | 0.13 |
-316 | .850 | .010 | .210 | .005 | 21.59 | 0.25 | 5.33 | 0.13 |
-317 | .912 | .010 | .210 | .005 | 23.16 | 0.25 | 5.33 | 0.13 |
-318 | .975 | .010 | .210 | .005 | 24.77 | 0.25 | 5.33 | 0.13 |
-319 | 1.034 | .010 | .210 | .005 | 26.26 | 0.25 | 5.33 | 0.13 |
-320 | 1.100 | .012 | .210 | .005 | 27.94 | 0.30 | 5.33 | 0.13 |
-321 | 1.162 | .012 | .210 | .005 | 29.51 | 0.30 | 5.33 | 0.13 |
-322 | 1.225 | .012 | .210 | .005 | 31.12 | 0.30 | 5.33 | 0.13 |
-323 | 1.287 | .012 | .210 | .005 | 32.69 | 0.30 | 5.33 | 0.13 |
-324 | 1.350 | .012 | .210 | .005 | 34.29 | 0.30 | 5.33 | 0.13 |
-325 | 1.475 | .015 | .210 | .005 | 37.47 | 0.38 | 5.33 | 0.13 |
-326 | 1.600 | .015 | .210 | .005 | 40.64 | 0.38 | 5.33 | 0.13 |
-327 | 1.725 | .015 | .210 | .005 | 43.82 | 0.38 | 5.33 | 0.13 |
-328 | 1.850 | .015 | .210 | .005 | 46.99 | 0.38 | 5.33 | 0.13 |
-329 | 1.975 | .018 | .210 | .005 | 50.17 | 0.46 | 5.33 | 0.13 |
-330 | 2.100 | .018 | .210 | .005 | 53.34 | 0.46 | 5.33 | 0.13 |
-331 | 2.225 | .018 | .210 | .005 | 56.52 | 0.46 | 5.33 | 0.13 |
-332 | 2.350 | .018 | .210 | .005 | 59.69 | 0.46 | 5.33 | 0.13 |
-333 | 2.475 | .020 | .210 | .005 | 62.87 | 0.51 | 5.33 | 0.13 |
-334 | 2.600 | .020 | .210 | .005 | 66.04 | 0.51 | 5.33 | 0.13 |
-335 | 2.725 | .020 | .210 | .005 | 69.22 | 0.51 | 5.33 | 0.13 |
-336 | 2.850 | .020 | .210 | .005 | 72.39 | 0.51 | 5.33 | 0.13 |
-337 | 2.975 | .024 | .210 | .005 | 75.57 | 0.61 | 5.33 | 0.13 |
-338 | 3.100 | .024 | .210 | .005 | 78.74 | 0.61 | 5.33 | 0.13 |
-339 | 3.225 | .024 | .210 | .005 | 81.92 | 0.61 | 5.33 | 0.13 |
-340 | 3.350 | .024 | .210 | .005 | 85.09 | 0.61 | 5.33 | 0.13 |
-341 | 3.475 | .024 | .210 | .005 | 88.27 | 0.61 | 5.33 | 0.13 |
-342 | 3.600 | .028 | .210 | .005 | 91.44 | 0.71 | 5.33 | 0.13 |
-343 | 3.725 | .028 | .210 | .005 | 94.62 | 0.71 | 5.33 | 0.13 |
-344 | 3.850 | .028 | .210 | .005 | 97.79 | 0.71 | 5.33 | 0.13 |
-345 | 3.975 | .028 | .210 | .005 | 100.97 | 0.71 | 5.33 | 0.13 |
-346 | 4.100 | .028 | .210 | .005 | 104.14 | 0.71 | 5.33 | 0.13 |
-347 | 4.225 | .030 | .210 | .005 | 107.32 | 0.76 | 5.33 | 0.13 |
-348 | 4.350 | .030 | .210 | .005 | 110.49 | 0.76 | 5.33 | 0.13 |
-349 | 4.475 | .030 | .210 | .005 | 113.67 | 0.76 | 5.33 | 0.13 |
-350 | 4.600 | .030 | .210 | .005 | 116.84 | 0.76 | 5.33 | 0.13 |
-351 | 4.725 | .030 | .210 | .005 | 120.02 | 0.76 | 5.33 | 0.13 |
-352 | 4.850 | .030 | .210 | .005 | 123.19 | 0.76 | 5.33 | 0.13 |
-353 | 4.975 | .037 | .210 | .005 | 126.37 | 0.94 | 5.33 | 0.13 |
-354 | 5.100 | .037 | .210 | .005 | 129.54 | 0.94 | 5.33 | 0.13 |
-355 | 5.225 | .037 | .210 | .005 | 132.72 | 0.94 | 5.33 | 0.13 |
-356 | 5.350 | .037 | .210 | .005 | 135.89 | 0.94 | 5.33 | 0.13 |
-357 | 5.475 | .037 | .210 | .005 | 139.07 | 0.94 | 5.33 | 0.13 |
-358 | 5.600 | .037 | .210 | .005 | 142.24 | 0.94 | 5.33 | 0.13 |
-359 | 5.725 | .037 | .210 | .005 | 145.42 | 0.94 | 5.33 | 0.13 |
-360 | 5.850 | .037 | .210 | .005 | 148.59 | 0.94 | 5.33 | 0.13 |
-361 | 5.975 | .037 | .210 | .005 | 151.77 | 0.94 | 5.33 | 0.13 |
-362 | 6.225 | .040 | .210 | .005 | 158.12 | 1.02 | 5.33 | 0.13 |
-363 | 6.475 | .040 | .210 | .005 | 164.47 | 1.02 | 5.33 | 0.13 |
-364 | 6.725 | .040 | .210 | .005 | 170.82 | 1.02 | 5.33 | 0.13 |
-365 | 6.975 | .040 | .210 | .005 | 177.17 | 1.02 | 5.33 | 0.13 |
-366 | 7.225 | .045 | .210 | .005 | 183.52 | 1.14 | 5.33 | 0.13 |
-367 | 7.475 | .045 | .210 | .005 | 189.87 | 1.14 | 5.33 | 0.13 |
-368 | 7.725 | .045 | .210 | .005 | 196.22 | 1.14 | 5.33 | 0.13 |
-369 | 7.975 | .045 | .210 | .005 | 202.57 | 1.14 | 5.33 | 0.13 |
-370 | 8.225 | .050 | .210 | .005 | 208.92 | 1.27 | 5.33 | 0.13 |
-371 | 8.475 | .050 | .210 | .005 | 215.27 | 1.27 | 5.33 | 0.13 |
-372 | 8.725 | .050 | .210 | .005 | 221.62 | 1.27 | 5.33 | 0.13 |
-373 | 8.975 | .050 | .210 | .005 | 227.97 | 1.27 | 5.33 | 0.13 |
-374 | 9.225 | .055 | .210 | .005 | 234.32 | 1.40 | 5.33 | 0.13 |
-375 | 9.475 | .055 | .210 | .005 | 240.67 | 1.40 | 5.33 | 0.13 |
-376 | 9.725 | .055 | .210 | .005 | 247.02 | 1.40 | 5.33 | 0.13 |
-377 | 9.925 | .055 | .210 | .005 | 253.37 | 1.40 | 5.33 | 0.13 |
-378 | 10.475 | .060 | .210 | .005 | 266.07 | 1.52 | 5.33 | 0.13 |
-379 | 10.975 | .060 | .210 | .005 | 278.77 | 1.52 | 5.33 | 0.13 |
-380 | 11.475 | .065 | .210 | .005 | 291.47 | 1.65 | 5.33 | 0.13 |
-381 | 11.975 | .065 | .210 | .005 | 304.17 | 1.65 | 5.33 | 0.13 |
-382 | 12.975 | .065 | .210 | .005 | 329.57 | 1.65 | 5.33 | 0.13 |
-383 | 13.975 | .070 | .210 | .005 | 354.97 | 1.78 | 5.33 | 0.13 |
-384 | 14.975 | .070 | .210 | .005 | 380.37 | 1.78 | 5.33 | 0.13 |
-385 | 15.955 | .075 | .210 | .005 | 405.26 | 1.91 | 5.33 | 0.13 |
-386 | 16.955 | .075 | .210 | .005 | 430.66 | 1.91 | 5.33 | 0.13 |
-387 | 17.955 | .085 | .210 | .005 | 456.06 | 2.16 | 5.33 | 0.13 |
-388 | 18.955 | .090 | .210 | .005 | 481.46 | 2.29 | 5.33 | 0.13 |
-389 | 19.955 | .095 | .210 | .005 | 506.86 | 2.41 | 5.33 | 0.13 |
-390 | 20.955 | .095 | .210 | .005 | 532.26 | 2.41 | 5.33 | 0.13 |
Examples of Some Common Material Identifiers | |
NE50: | Neoprene, 50 Durometer |
NE70: | Neoprene, 70 Durometer |
NI60: | Nitrile (Buna-N), 60 Durometer |
EP60: | EPDM, 60 Durometer |
1056: | Silver Plated Aluminum filled Silicone |
1167: | Silver Plated Copper filled Fluorosilicone |
FS70: | Fluorosilicone, 70 Durometer |
SI70: | Silicone, 70 Durometer |