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(For Informational Purposes Only)            

O-Ring Sizing Chart - 300 Series


Click on a link below to view a specific series.
All Series 001 Series 100 Series 200 Series 300 Series 400 Series 900 Series



AS568A-
Dash #
Actual
I.D.
Inches
Actual
C.S.
Inches
Actual
I.D.
Millimeters
Actual
C.S.
Millimeters
Nominal
Reference
I.D.
Nominal
Reference
C.S.
Nominal
Reference
O.D.

-309
-310
-311
-312
-313
-314
-315
-316
-317
-318
-319
-320
-321
-322
-323
-324
-325
-326
-327
-328
-329
-330
-331
-332
-333
-334
-335
-336
-337
-338
-339
-340
-341
-342
-343
-344
-345
-346
-347
-348
-349
-350
-351
-352
-353
-354
-355
-356
-357
-358
-359
-360
-361
-362
-363
-364
-365
-366
-367
-368
-369
-370
-371
-372
-373
-374
-375
-376
-377
-378
-379
-380
-381
-382
-383
-384
-385
-386
-387
-388
-389
-390
-391
-392
-393
-394
-395

.412±.005
.475±.005
.537±.007
.600±.009
.662±.009
.725±.010
.787±.010
.850±.010
.912±.010
.975±.010
1.037±.010
1.100±.012
1.162±.012
1.225±.012
1.287±.012
1.350±.012
1.475±.015
1.600±.015
1.725±.015
1.850±.015
1.975±.018
2.100±.018
2.225±.018
2.350±.018
2.475±.020
2.600±.020
2.725±.020
2.850±.020
2.975±.024
3.100±.024
3.225±.024
3.350±.024
3.475±.024
3.600±.028
3.725±.028
3.850±.028
3.975±.028
4.100±.028
4.225±.030
4.350±.030
4.475±.030
4.600±.030
4.725±.030
4.850±.030
4.975±.037
5.100±.037
5.225±.037
5.350±.037
5.475±.037
5.600±.037
5.725±.037
5.850±.037
5.975±.037
6.225±.040
6.475±.040
6.725±.040
6.975±.040
7.225±.045
7.475±.045
7.725±.045
7.975±.045
8.225±.050
8.475±.050
8.725±.050
8.975±.050
9.225±.055
9.475±.055
9.725±.055
9.975±.055
10.475±.060
10.975±.060
11.475±.065
11.975±.065
12.975±.065
13.975±.070
14.975±.070
15.955±.075
16.955±.080
17.955±.085
18.955±.090
19.955±.095
20.955±.095
21.955±.100
22.940±.105
23.940±.110
24.940±.115
25.940±.120

.210±.005
.210±.005
.210±.005
.210±.005
.210±.005
.210±.005
.210±.005
.210±.005
.210±.005
.210±.005
.210±.005
.210±.005
.210±.005
.210±.005
.210±.005
.210±.005
.210±.005
.210±.005
.210±.005
.210±.005
.210±.005
.210±.005
.210±.005
.210±.005
.210±.005
.210±.005
.210±.005
.210±.005
.210±.005
.210±.005
.210±.005
.210±.005
.210±.005
.210±.005
.210±.005
.210±.005
.210±.005
.210±.005
.210±.005
.210±.005
.210±.005
.210±.005
.210±.005
.210±.005
.210±.005
.210±.005
.210±.005
.210±.005
.210±.005
.210±.005
.210±.005
.210±.005
.210±.005
.210±.005
.210±.005
.210±.005
.210±.005
.210±.005
.210±.005
.210±.005
.210±.005
.210±.005
.210±.005
.210±.005
.210±.005
.210±.005
.210±.005
.210±.005
.210±.005
.210±.005
.210±.005
.210±.005
.210±.005
.210±.005
.210±.005
.210±.005
.210±.005
.210±.005
.210±.005
.210±.005
.210±.005
.210±.005
.210±.005
.210±.005
.210±.005
.210±.005
.210±.005

10.46±0.13
12.07±0.13
13.64±0.18
15.24±0.23
16.81±0.23
18.42±0.25
19.99±0.25
21.59±0.25
23.16±0.25
24.77±0.25
26.34±0.25
27.94±0.30
29.51±0.30
31.12±0.30
32.69±0.30
34.29±0.30
37.47±0.38
40.64±0.38
43.82±0.38
46.99±0.38
50.17±0.46
53.34±0.46
56.52±0.46
59.69±0.46
62.87±0.51
66.04±0.51
69.22±0.51
72.39±0.51
75.57±0.61
78.74±0.61
91.92±0.61
85.09±0.61
88.27±0.61
91.44±0.71
94.62±0.71
97.79±0.71
100.97±0.71
104.14±0.71
107.32±0.76
110.49±0.76
113.67±0.76
116.84±0.76
120.02±0.76
123.19±0.76
126.37±0.94
129.54±0.94
132.72±0.94
135.89±0.94
139.07±0.94
142.24±0.94
145.42±0.94
148.59±0.94
151.77±0.94
158.12±1.02
164.47±1.02
170.82±1.02
177.17±1.02
183.52±1.14
189.87±1.14
196.22±1.14
202.57±1.14
208.92±1.27
215.27±1.27
221.62±1.27
227.97±1.27
234.32±1.40
240.67±1.40
247.02±1.40
253.37±1.40
266.07±1.52
278.77±1.52
291.47±1.65
304.17±1.65
329.57±1.65
354.97±1.78
380.37±1.78
405.26±1.91
430.66±2.03
456.06±2.16
481.41±2.29
506.81±2.41
532.21±2.41
557.61±2.54
582.68±2.67
608.08±2.79
633.48±2.92
658.88±3.05

5.33±0.13
5.33±0.13
5.33±0.13
5.33±0.13
5.33±0.13
5.33±0.13
5.33±0.13
5.33±0.13
5.33±0.13
5.33±0.13
5.33±0.13
5.33±0.13
5.33±0.13
5.33±0.13
5.33±0.13
5.33±0.13
5.33±0.13
5.33±0.13
5.33±0.13
5.33±0.13
5.33±0.13
5.33±0.13
5.33±0.13
5.33±0.13
5.33±0.13
5.33±0.13
5.33±0.13
5.33±0.13
5.33±0.13
5.33±0.13
5.33±0.13
5.33±0.13
5.33±0.13
5.33±0.13
5.33±0.13
5.33±0.13
5.33±0.13
5.33±0.13
5.33±0.13
5.33±0.13
5.33±0.13
5.33±0.13
5.33±0.13
5.33±0.13
5.33±0.13
5.33±0.13
5.33±0.13
5.33±0.13
5.33±0.13
5.33±0.13
5.33±0.13
5.33±0.13
5.33±0.13
5.33±0.13
5.33±0.13
5.33±0.13
5.33±0.13
5.33±0.13
5.33±0.13
5.33±0.13
5.33±0.13
5.33±0.13
5.33±0.13
5.33±0.13
5.33±0.13
5.33±0.13
5.33±0.13
5.33±0.13
5.33±0.13
5.33±0.13
5.33±0.13
5.33±0.13
5.33±0.13
5.33±0.13
5.33±0.13
5.33±0.13
5.33±0.13
5.33±0.13
5.33±0.13
5.33±0.13
5.33±0.13
5.33±0.13
5.33±0.13
5.33±0.13
5.33±0.13
5.33±0.13
5.33±0.13

7/16
1/2
9/16
5/8
11-16
3/4
13/16
7/8
15/16
1
1-1/16
1-1/8
1-3/16
1-1/4
1-5/16
1-3/8
1-1/2
1-5/8
1-3/4
1-7/8
2
2-1/8
2-1/4
2-3/8
2-1/2
2-5/8
2-3/4
2-7/8
3
3-1/8
3-1/4
3-3/8
3-1/2
3-5/8
3-3/4
3-7/8
4
4-1/8
4-1/4
4-3/8
4-1/2
4-5/8
4-3/4
4-7/8
5
5-1/8
5-1/4
5-3/8
5-1/2
5-5/8
5-3/4
5-7/8
6
6-1/4
6-1/2
6-3/4
7
7-1/4
7-1/2
7-3/4
8
8-1/4
8-1/2
8-3/4
9
9-1/4
9-1/2
9-3/4
10
10-1/2
11
11-1/2
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26

3/16
3/16
3/16
3/16
3/16
3/16
3/16
3/16
3/16
3/16
3/16
3/16
3/16
3/16
3/16
3/16
3/16
3/16
3/16
3/16
3/16
3/16
3/16
3/16
3/16
3/16
3/16
3/16
3/16
3/16
3/16
3/16
3/16
3/16
3/16
3/16
3/16
3/16
3/16
3/16
3/16
3/16
3/16
3/16
3/16
3/16
3/16
3/16
3/16
3/16
3/16
3/16
3/16
3/16
3/16
3/16
3/16
3/16
3/16
3/16
3/16
3/16
3/16
3/16
3/16
3/16
3/16
3/16
3/16
3/16
3/16
3/16
3/16
3/16
3/16
3/16
3/16
3/16
3/16
3/16
3/16
3/16
3/16
3/16
3/16
3/16
3/16

13/16
7/8
15-16
1
1-1/16
1-1/8
1-3/6
1-1/4
1-5/16
1-3/8
1-7/16
1-1/2
1-9/16
1-5/8
1-11/16
1-3/4
1-7/8
2
2-1/8
2-1/4
2-3/8
2-1/2
2-5/8
2-3/4
2-7/8
3
3-1/8
3-1/4
3-3/8
3-1/2
3-5/8
3-3/4
3-7/8
4
4-1/8
4-1/4
4-3/8
4-1/2
4-5/8
4-3/4
4-7/8
5
5-1/8
5-1/4
5-3/8
5-1/2
5-5/8
5-3/4
5-7/8
6
6-1/8
6-1/4
6-3/8
6-5/8
6-7/8
7-1/8
7-3/8
7-5/8
7-7/8
8-1/8
8-3/8
8-5/8
8-7/8
9-1/8
9-3/8
9-5/8
9-7/8
10-1/8
10-3/8
10-7/8
11-3/8
11-7/8
12-3/8
13-3/8
14-3/8
15-3/8
16-3/8
17-3/8
18-3/8
19-3/8
20-3/8
21-3/8
22-3/8
23-3/8
24-3/8
25-3/8
26-3/8
$50.00 Minimum Order

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Quick Cut Gasket & Rubber Corporation
P.O. Box 330 • 192 Erie Street
Lancaster, NY 14086 U.S.A.
Toll Free: 1-800-448-3808 • 716-684-8628 • Fax: 716-684-0169
email: qcgman@aol.com