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Standard AS568 O-Ring -309 thru -350

 

AS568 No. Nominal Reference Actual Dimensions
I.D. O.D. Width I.D. Tolerance Width Tolerance
-309 7/16 13/16 3/16 .412 ± .005 .210 ± .005
-310 1/2 7/8 3/16 .475 ± .005 .210 ± .005
-311 9/16 15/16 3/16 .537 ± .007 .210 ± .005
-312 3/8 1 3/16 .600 ± .009 .210 ± .005
-313 11/16 1 1/16 3/16 .662 ± .009 .210 ± .005
-314 3/4 1 1/8 3/16 .725 ± .010 .210 ± .005
-315 13/16 1 3/16 3/16 .787 ± .010 .210 ± .005
-316 7/8 1 1/4 3/16 .850 ± .010 .210 ± .005
-317 15/16 1 5/16 3/16 .912 ± .010 .210 ± .005
-318 1 1 3/8 3/16 .975 ± .010 .210 ± .005
-319 1 1/16 1 7/16 3/16 1.037 ± .010 .210 ± .005
-320 1 1/8 1 1/2 3/16 1.100 ± .012 .210 ± .005
-321 1 3/16 1 9/16 3/16 1.162 ± .012 .210 ± .005
-322 1 1/4 1 5/8 3/16 1.225 ± .012 .210 ± .005
-323 1 5/16 1 11/16 3/16 1.287 ± .012 .210 ± .005
-324 1 3/8 1 3/4 3/16 1.350 ± .012 .210 ± .005
-325 1 1/2 1 7/8 3/16 1.475 ± .015 .210 ± .005
-326 1 5/8 2 3/16 1.600 ± .015 .210 ± .005
-327 1 3/4 2 1/8 3/16 1.725 ± .015 .210 ± .005
-328 1 7/8 2 1/4 3/16 1.850 ± .015 .210 ± .005
-329 2 2 3/8 3/16 1.975 ± .018 .210 ± .005
-330 2 1/8 2 1/2 3/16 2.100 ± .018 .210 ± .005
-331 2 1/4 2 5/8 3/16 2.225 ± .018 .210 ± .005
-332 2 3/8 2 3/4 3/16 2.350 ± .018 .210 ± .005
-333 2 1/2 2 7/8 3/16 2.475 ± .020 .210 ± .005
-334 2 5/8 3 3/16 2.600 ± .020 .210 ± .005
-335 2 3/4 3 1/8 3/16 2.725 ± .020 .210 ± .005
-336 2 7/8 3 1/4 3/16 2.850 ± .020 .210 ± .005
-337 3 3 3/8 3/16 2.975 ± .024 .210 ± .005
-338 3 1/8 3 1/2 3/16 3.100 ± .024 .210 ± .005
-339 3 1/4 3 5/8 3/16 3.225 ± .024 .210 ± .005
-340 3 3/8 3 3/4 3/16 3.350 ± .024 .210 ± .005
-341 3 1/2 3 7/8 3/16 3.475 ± .024 .210 ± .005
-342 3 5/8 4 3/16 3.600 ± .028 .210 ± .005
-343 3 3/4 4 1/8 3/16 3.725 ± .028 .210 ± .005
-344 3 7/8 4 1/4 3/16 3.850 ± .028 .210 ± .005
-345 4 4 3/8 3/16 3.975 ± .028 .210 ± .005
-346 4 1/8 4 1/2 3/16 4.100 ± .028 .210 ± .005
-347 4 1/4 4 5/8 3/16 4.225 ± .030 .210 ± .005
-348 4 3/8 4 3/4 3/16 4.350 ± .030 .210 ± .005
-349 4 1/2 4 7/8 3/16 4.475 ± .030 .210 ± .005
-350 4 5/8 5 3/16 4.600 ± .030 .210 ± .005