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SAE Flanges

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The following table displays the required o-ring sizes for use with SAE 4 bolt flanges

Part No.SAE Flange SizeID (Nominal)ID (Actual)OD (Nominal)OD (Actual)Section (Nominal)Section (Actual)
N9-210 1/2 3/4 .734 1
1.012 1/8 .139
N9-214 3/4 1
.984 1 1/4
.262 1/8 .139
N9-219 1
1 5/16 1.296 1 9/16 1.574 1/8 .139
N9-222 1 1/4 1 1/2 1.484 1 3/4 1.762 1/8
.139
N9-225 1 1/2 1 7/8 1.859 2 1/8 1.137 1/8
.139
N9-228 2
2 1/4 2.234 2 1/2 2.512 1/8
.139
N9-232 2 1/2 2 3/4 2.734 3
3.012 1/8
.139
N9-237 3
3 3/8 3.359 3 5/8 3.637 1/8
.139
N9-241 3 1/2 3 7/8 3.859 4 1/8 4.137 1/8
.139
N9-245 4
4 3/8 4.359 4 5/8 4.637 1/8
.139
N9-253 5
5 3/8 5.359 5 5/8 5.637 1/8
.139