how an o-ring functions
\ physical
properties of o-ring compounds \ types of seals \ general design and gland
dimensions \ standard
o-ring sizes and dimensions \ compound
information
|
Standard
O-Ring Sizes and Dimensions
|
|
dash numbers correlate to the AS568A numbering
system.
|
|
AS568A -102 through
-178
|
3/32"
Cross-Section (w), actual .103"
|
|
No.
|
I.D."
|
Actual
|
O.D."
|
No.
|
I.D."
|
Actual
|
O.D."
|
No.
|
I.D."
|
Actual
|
O.D."
|
|
-102
|
1/16
|
0.049
|
1/4
|
-127
|
1-7/16
|
1.424
|
1-5/8
|
-153
|
3-1/2
|
3.487
|
3-11/16
|
|
-103
|
3/32
|
0.081
|
9/32
|
-128
|
1-1/2
|
1.487
|
1-11/16
|
-154
|
3-3/4
|
3.737
|
3-15/16
|
|
-104
|
1/8
|
0.112
|
5/16
|
-129
|
1-9/16
|
1.549
|
1-3/4
|
-155
|
4
|
3.987
|
4-3/16
|
|
-105
|
5/32
|
0.143
|
11/32
|
-130
|
1-5/8
|
1.612
|
1-13/16
|
-156
|
4-1/4
|
4.237
|
4-7/16
|
|
-106
|
3/16
|
0.174
|
3/8
|
-131
|
1-11/16
|
1.674
|
1-7/8
|
-157
|
4-1/2
|
4.487
|
4-11/16
|
|
-107
|
7/32
|
0.206
|
13/32
|
-132
|
1-3/4
|
1.737
|
1-15/16
|
-158
|
4-3/4
|
4.737
|
4-15/16
|
|
-108
|
1/4
|
0.237
|
7/16
|
-133
|
1-13/16
|
1.799
|
2
|
-159
|
5
|
4.987
|
5-3/16
|
|
-109
|
5/16
|
0.299
|
1/2
|
-134
|
1-7/8
|
1.862
|
2-1/16
|
-160
|
5-1/4
|
5.237
|
5-7/16
|
|
-110
|
3/8
|
0.362
|
9/16
|
-135
|
1-15/16
|
1.925
|
2-1/8
|
-161
|
5-1/2
|
5.487
|
5-11/16
|
|
-111
|
7/16
|
0.424
|
5/8
|
-136
|
2
|
1.987
|
2-3/16
|
-162
|
5-3/4
|
5.737
|
5-15/16
|
|
-112
|
1/2
|
0.487
|
11/16
|
-137
|
2-1/16
|
2.050
|
2-1/4
|
-163
|
6
|
5.987
|
6-3/16
|
|
-113
|
9/16
|
0.549
|
3/4
|
-138
|
2-1/8
|
2.112
|
2-5/16
|
-164
|
6-1/4
|
6.237
|
6-7-16
|
|
-114
|
5/8
|
0.612
|
13/16
|
-139
|
2-3/16
|
2.175
|
2-3/8
|
-165
|
6-1/2
|
6.487
|
6-11/16
|
|
-115
|
11/16
|
0.674
|
7/8
|
-140
|
2-1/4
|
2.237
|
2-7/16
|
-166
|
6-3/4
|
6.737
|
6-15/16
|
|
-116
|
3/4
|
0.737
|
15/16
|
-141
|
2-5/16
|
2.300
|
2-1/2
|
-167
|
7
|
6.987
|
7-3/16
|
|
-117
|
13/16
|
0.799
|
1
|
-142
|
2-3/8
|
2.362
|
2-9/16
|
-168
|
7-1/4
|
7.237
|
7-7/16
|
|
-118
|
7/8
|
0.862
|
1-1/16
|
-143
|
2-7/16
|
2.425
|
2-5/8
|
-169
|
7-1/2
|
7.487
|
7-11/16
|
|
-119
|
15/16
|
0.924
|
1-18
|
-144
|
2-1/2
|
2.487
|
2-11/16
|
-170
|
7-3/4
|
7.737
|
7-15/16
|
|
-120
|
1
|
0.987
|
1-3/16
|
-145
|
2-9/16
|
2.550
|
2-3/4
|
-171
|
8
|
7.987
|
8-3/16
|
|
-121
|
1-1/16
|
10349
|
1-1/4
|
-146
|
2-5/8
|
2.612
|
2-13/16
|
-172
|
8-1/4
|
8.237
|
8-7/16
|
|
-122
|
1-1/8
|
1.112
|
1-5/16
|
-147
|
2-11/16
|
2.675
|
2-7/8
|
-173
|
8-1/2
|
4.487
|
8-11/16
|
|
-123
|
1-3/16
|
1.174
|
1-3/8
|
-148
|
2-3/4
|
2.737
|
2-15/16
|
-174
|
8-3/4
|
8.737
|
8-15/16
|
|
-124
|
1-1/4
|
1.237
|
1-7/16
|
-149
|
2-13/16
|
2.800
|
3
|
-175
|
9
|
8.987
|
9-3/16
|
|
-125
|
1-5/16
|
1.299
|
1-1/2
|
-150
|
2-7/8
|
2.862
|
3-1/16
|
-176
|
9-1/4
|
9.237
|
9-7/16
|
|
-126
|
1-3/8
|
1.362
|
1-9/16
|
-151
|
3
|
2.897
|
3-3/16
|
-177
|
9-1/2
|
9.487
|
9-11/16
|
|
|
-152
|
3-1/4
|
3.237
|
3-7/16
|
-178
|
9-3/4
|
9.737
|
9-15/16
|
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|