Mercer Gasket & Shim
O-Rings
 
Product Catalog >> O-Rings
 
Mercer carries all standard size O-Rings in Viton, Buna and Silicone. All standard O-Rings are available for immediate purchase and delivery via our online store.
 
Select Material
 
Buna Viton Silicone
 
Pg 1 (-001 thru -090)
Pg 2 (-091 thru -180)
Pg 3 (-181 thru -270)
Pg 4 (-271 thru -350)
Pg 5 (-351 thru -445) 		Pg 1 (-001 thru -090)
Pg 2 (-091 thru -180)
Pg 3 (-181 thru -270)
Pg 4 (-271 thru -350)
Pg 5 (-351 thru -445) 		Pg 1 (-001 thru -090)
Pg 2 (-091 thru -180)
Pg 3 (-181 thru -270)
Pg 4 (-271 thru -350)
Pg 5 (-351 thru -445)
 
 
 
O-Rings Size Chart
 
O-Ring Size # 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.
-001
-002
-003
-004
-005
-006
-007
-008
-009
-010
-011
-012
-013
-014
-015
-016
-017
-018
-019
-015
-021
-022
-023
-024
-025
-026
-027
-028
-029
-030
-031
-032
-033
-034
-035
-036
-037
-038
-039
-040
-041
-042
-043
-044
-045
-046
-047
-048
-049
-050
.029± .004
.042± .004
.056± .004
.070± .005
.101± .005
.114± .005
.145± .005
.176± .005
.158± .005
.239± .005
.301± .005
.364± .005
.426± .005
.489± .005
.551± .007
.614± .009
.676± .009
.739± .009
.801± .009
.864± .009
.926± .009
.989± .010
1.051± .010
1.114± .010
1.176± .011
1.239± .011
1.301± .011
1.364± .013
1.489± .013
1.614± .013
1.739± .015
1.864± .015
1.989± .018
2.114± .018
2.239± .018
2.364± .018
2.489± .018
2.614± .015
2.739± .015
2.864± .015
2.989± .024
3.239± .024
3.489± .024
3.739± .027
3.989± .027
4.239± .030
4.489± .030
4.739± .030
4.989± .037
5.239± .037
.040± .003
.050± .003
.060± .003
.070± .003
.070± .003
.070± .003
.070± .003
.070± .003
.070± .003
.070± .003
.070± .003
.070± .003
.070± .003
.070± .003
.070± .003
.070± .003
.070± .003
.070± .003
.070± .003
.070± .003
.070± .003
.070± .003
.070± .003
.070± .003
.070± .003
.070± .003
.070± .003
.070± .003
.070± .003
.070± .003
.070± .003
.070± .003
.070± .003
.070± .003
.070± .003
.070± .003
.070± .003
.070± .003
.070± .003
.070± .003
.070± .003
.070± .003
.070± .003
.070± .003
.070± .003
.070± .003
.070± .003
.070± .003
.070± .003
.070± .003
0.74± 0.10
1.07± 0.10
1.42± 0.10
1.78± 0.13
2.57± 0.13
2.90± 0.13
3.68± 0.13
4.47± 0.13
5.28± 0.13
6.07± 0.13
7.65± 0.13
9.25± 0.13
10.82± 0.13
12.42± 0.13
14.00± 0.18
15.60± 0.23
17.17± 0.23
18.77± 0.23
15.35± 0.23
21.95± 0.23
23.52± 0.23
25.12± 0.25
26.70± 0.25
28.30± 0.25
29.87± 0.28
31.47± 0.28
33.05± 0.28
34.65± 0.33
37.82± 0.33
41.00± 0.33
44.17± 0.38
47.35± 0.38
50.52± 0.46
53.70± 0.46
56.87± 0.46
60.05± 0.46
63.22± 0.46
66.40± 0.51
69.57± 0.51
72.75± 0.51
75.92± 0.61
82.27± 0.61
88.62± 0.61
94.97± 0.69
101.32± 0.69
107.67± 0.76
114.02± 0.76
115.37± 0.76
126.72± 0.94
133.07± 0.94
1.02± 0.08
1.27± 0.08
1.52± 0.08
1.78± 0.08
1.78± 0.08
1.78± 0.08
1.78± 0.08
1.78± 0.08
1.78± 0.08
1.78± 0.08
1.78± 0.08
1.78± 0.08
1.78± 0.08
1.78± 0.08
1.78± 0.08
1.78± 0.08
1.78± 0.08
1.78± 0.08
1.78± 0.08
1.78± 0.08
1.78± 0.08
1.78± 0.08
1.78± 0.08
1.78± 0.08
1.78± 0.08
1.78± 0.08
1.78± 0.08
1.78± 0.08
1.78± 0.08
1.78± 0.08
1.78± 0.08
1.78± 0.08
1.78± 0.08
1.78± 0.08
1.78± 0.08
1.78± 0.08
1.78± 0.08
1.78± 0.08
1.78± 0.08
1.78± 0.08
1.78± 0.08
1.78± 0.08
1.78± 0.08
1.78± 0.08
1.78± 0.08
1.78± 0.08
1.78± 0.08
1.78± 0.08
1.78± 0.08
1.78± 0.08
1/32
3/64
1/16
5/64
3/32
1/8
5/32
3/16
7/32
1/4
5/16
3/8
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
3-1/4
3-1/2
3-3/4
4
4-1/4
4-1/2
4-3/4
5
5-1/4
1/32
3/64
1/16
1/16
1/16
1/16
1/16
1/16
1/16
1/16
1/16
1/16
1/16
1/16
1/16
1/16
1/16
1/16
1/16
1/16
1/16
1/16
1/16
1/16
1/16
1/16
1/16
1/16
1/16
1/16
1/16
1/16
1/16
1/16
1/16
1/16
1/16
1/16
1/16
1/16
1/16
1/16
1/16
1/16
1/16
1/16
1/16
1/16
1/16
1/16
<3/32
9/64
3/16
13/64
7/32
1/4
9/32
5/16
11/32
3/8
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
1-7/16
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
3-3/8
3-5/8
3-7/8
4-1/8
4-3/8
4-5/8
4-7/8
5-1/8
5-3/8

O-Ring Size # 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.
-102
-103
-104
-105
-106
-107
-108
-109
-110
-111
-112
-113
-114
-115
-116
-117
-118
-119
-120
-121
-122
-123
-124
-125
-126
-127
-128
-129
-130
-131
-132
-133
-134
-135
-136
-137
-138
-139
-140
-141
-142
-143
-144
-145
-146
-147
-148
-149
-150
-151
-152
-153
-154
-155
-156
-157
-158
-159
-160
-161
-162
-163
-164
-165
-166
-167
-168
-169
-170
-171
-172
-173
-174
-175
-176
-177
-178
.049± .005
.081± .005
.112± .005
.143± .005
.174± .005
.206± .005
.237± .005
.299± .005
.362± .005
.424± .005
.487± .005
.549± .007
.612± .009
.674± .009
.737± .009
.799± .010
.862± .010
.924± .010
.987± .010
1.049± .010
1.112± .010
1.174± .012
1.237± .012
1.299± .012
1.362± .012
1.424± .012
1.487± .012
1.549± .015
1.612± .015
1.674± .015
1.737± .015
1.799± .015
1.862± .015
1.925± .017
1.987± .017
2.050± .017
2.112± .017
2.175± .017
2.237± .017
2.300± .020
2.362± .020
2.425± .020
2.487± .020
2.550± .020
2.612± .020
2.675± .022
2.737± .022
2.800± .022
2.862± .022
2.987± .024
3.237± .024
3.487± .024
3.737± .028
3.987± .028
4.237± .030
4.487± .030
4.737± .030
4.987± .035
5.237± .035
5.487± .035
5.737± .035
5.987± .035
6.237± .040
6.487± .040
6.737± .040
6.987± .040
7.237± .045
7.487± .045
7.737± .045
7.987± .045
8.237± .050
8.487± .050
8.737± .050
8.987± .050
9.237± .055
9.487± .055
9.737± .055
.103± .003
.103± .003
.103± .003
.103± .003
.103± .003
.103± .003
.103± .003
.103± .003
.103± .003
.103± .003
.103± .003
.103± .003
.103± .003
.103± .003
.103± .003
.103± .003
.103± .003
.103± .003
.103± .003
.103± .003
.103± .003
.103± .003
.103± .003
.103± .003
.103± .003
.103± .003
.103± .003
.103± .003
.103± .003
.103± .003
.103± .003
.103± .003
.103± .003
.103± .003
.103± .003
.103± .003
.103± .003
.103± .003
.103± .003
.103± .003
.103± .003
.103± .003
.103± .003
.103± .003
.103± .003
.103± .003
.103± .003
.103± .003
.103± .003
.103± .003
.103± .003
.103± .003
.103± .003
.103± .003
.103± .003
.103± .003
.103± .003
.103± .003
.103± .003
.103± .003
.103± .003
.103± .003
.103± .003
.103± .003
.103± .003
.103± .003
.103± .003
.103± .003
.103± .003
.103± .003
.103± .003
.103± .003
.103± .003
.103± .003
.103± .003
.103± .003
.103± .003
1.24± 0.13
2.06± 0.13
2.84± 0.13
3.63± 0.13
4.42± 0.13
5.23± 0.13
6.02± 0.13
7.59± 0.13
9.19± 0.13
10.77± 0.13
12.37± 0.13
13.94± 0.18
15.54± 0.23
17.12± 0.23
18.72± 0.23
20.30± 0.25
21.89± 0.25
23.47± 0.25
25.07± 0.25
26.64± 0.25
28.24± 0.25
29.82± 0.30
31.42± 0.30
32.99± 0.30
34.59± 0.30
36.17± 0.30
37.77± 0.30
39.34± 0.38
40.94± 0.38
42.52± 0.38
44.12± 0.38
45.69± 0.38
47.30± 0.38
48.90± 0.43
50.47± 0.43
52.07± 0.43
53.64± 0.43
55.25± 0.43
56.82± 0.43
58.42± 0.51
59.99± 0.51
61.60± 0.51
63.17± 0.51
64.77± 0.51
66.34± 0.51
67.95± 0.56
69.52± 0.56
71.12± 0.56
72.69± 0.56
75.87± 0.61
82.22± 0.61
88.57± 0.61
94.92± 0.71
101.27± 0.71
107.62± 0.76
113.97± 0.76
120.32± 0.76
126.67± 0.89
133.02± 0.89
139.37± 0.89
145.72± 0.89
152.07± 0.89
158.42± 1.02
164.77± 1.02
171.12± 1.02
177.47± 1.02
183.82± 1.14
190.17± 1.14
196.52± 1.14
202.87± 1.14
209.22± 1.27
215.57± 1.27
221.92± 1.27
228.27± 1.27
234.62± 1.40
240.97± 1.40
247.32± 1.40
2.62± 0.08
2.62± 0.08
2.62± 0.08
2.62± 0.08
2.62± 0.08
2.62± 0.08
2.62± 0.08
2.62± 0.08
2.62± 0.08
2.62± 0.08
2.62± 0.08
2.62± 0.08
2.62± 0.08
2.62± 0.08
2.62± 0.08
2.62± 0.08
2.62± 0.08
2.62± 0.08
2.62± 0.08
2.62± 0.08
2.62± 0.08
2.62± 0.08
2.62± 0.08
2.62± 0.08
2.62± 0.08
2.62± 0.08
2.62± 0.08
2.62± 0.08
2.62± 0.08
2.62± 0.08
2.62± 0.08
2.62± 0.08
2.62± 0.08
2.62± 0.08
2.62± 0.08
2.62± 0.08
2.62± 0.08
2.62± 0.08
2.62± 0.08
2.62± 0.08
2.62± 0.08
2.62± 0.08
2.62± 0.08
2.62± 0.08
2.62± 0.08
2.62± 0.08
2.62± 0.08
2.62± 0.08
2.62± 0.08
2.62± 0.08
2.62± 0.08
2.62± 0.08
2.62± 0.08
2.62± 0.08
2.62± 0.08
2.62± 0.08
2.62± 0.08
2.62± 0.08
2.62± 0.08
2.62± 0.08
2.62± 0.08
2.62± 0.08
2.62± 0.08
2.62± 0.08
2.62± 0.08
2.62± 0.08
2.62± 0.08
2.62± 0.08
2.62± 0.08
2.62± 0.08
2.62± 0.08
2.62± 0.08
2.62± 0.08
2.62± 0.08
2.62± 0.08
2.62± 0.08
2.62± 0.08
1/16
3/32
1/8
5/32
3/16
7/32
1/4
5/16
3/8
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
1-7/16
1-1/2
1-9/16
1-5/8
1-11/16
1-3/4
1-13/16
1-7/8
1-15/16
2
2-1/16
2-1/8
2-3/16
2-1/4
2-5/16
2-3/8
2-7/16
2-1/2
2-9/16
2-5/8
2-11/16
2-3/4
2-13/16
2-7/8
3
3-1/4
3-1/2
3-3/4
4
4-1/4
4-1/2
4-3/4
5
5-1/4
5-1/2
5-3/4
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
<3/32
3/32
3/32
3/32
3/32
3/32
3/32
3/32
3/32
3/32
3/32
3/32
3/32
3/32
3/32
3/32
3/32
3/32
3/32
3/32
3/32
3/32
3/32
3/32
3/32
3/32
3/32
3/32
3/32
3/32
3/32
3/32
3/32
3/32
3/32
3/32
3/32
3/32
3/32
3/32
3/32
3/32
3/32
3/32
3/32
3/32
3/32
3/32
3/32
3/32
3/32
3/32
3/32
3/32
3/32
3/32
3/32
3/32
3/32
3/32
3/32
3/32
3/32
3/32
3/32
3/32
3/32
3/32
3/32
3/32
3/32
3/32
3/32
3/32
3/32
3/32
3/32
1/4
9/32
5/16
11/32
3/8
13/32
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
1-7/16
1-1/2
1-9/16
1-5/8
1-11/16
1-3/4
1-13/16
1-7/8
1-15/16
2
2-1/16
2-1/8
2-3/16
2-1/4
2-5/16
2-3/8
2-7/16
2-1/2
2-9/16
2-5/8
2-11/16
2-3/4
2-13/16
2-7/8
2-15/16
3
3-1/16
3-3/16
3-7/16
3-11/16
3-15/16
4-3/16
4-7/16
4-11/16
4-15/16
5-3/16
5-7/16
5-11/16
5-15/16
6-3/16
6-7/16
6-11/16
6-15/16
7-3/16
7-7/16
7-11/16
7-15/16
8-3/16
8-7/16
8-11/16
8-15/16
9-3/16
9-7/16
9-11/16
9-15/16

O-Ring Size # 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.
-201
-202
-203
-204
-205
-206
-207
-208
-209
-210
-211
-212
-213
-214
-215
-216
-217
-218
-219
-220
-221
-222
-223
-224
-225
-226
-227
-228
-229
-230
-231
-232
-233
-234
-235
-236
-237
-238
-239
-240
-241
-242
-243
-244
-245
-246
-247
-248
-249
-250
-251
-252
-253
-254
-255
-256
-257
-258
-259
-260
-261
-262
-263
-264
-265
-266
-267
-268
-269
-270
-271
-272
-273
-274
-275
-276
-277
-278
-279
-280
-281
-282
-283
-284
.171± .005
.234± .005
.296± .005
.359± .005
.421± .005
.484± .005
.546± .007
.609± .009
.671± .009
.734± .010
.796± .010
.859± .010
.921± .010
.984± .010
1.046± .010
1.109± .012
1.171± .012
1.234± .012
1.296± .012
1.359± .012
1.421± .012
1.484± .015
1.609± .015
1.734± .015
1.859± .018
1.984± .018
2.109± .018
2.234± .020
2.359± .020
2.484± .020
2.609± .020
2.734± .024
2.859± .024
2.984± .024
3.109± .024
3.234± .024
3.359± .024
3.484± .024
3.609± .028
3.734± .028
3.859± .028
3.984± .028
4.109± .028
4.234± .030
4.359± .030
4.484± .030
4.609± .030
4.734± .030
4.859± .035
4.984± .035
5.109± .035
5.234± .035
5.359± .035
5.484± .035
5.609± .035
5.734± .035
5.859± .035
5.984± .035
6.234± .040
6.484± .040
6.734± .040
6.984± .040
7.234± .045
7.484± .045
7.734± .045
7.984± .045
8.234± .050
8.484± .050
8.734± .050
8.984± .050
9.234± .055
9.484± .055
9.734± .055
9.984± .055
10.484± .065
10.984± .065
11.484± .065
11.984± .065
12.984± .065
13.984± .065
14.984± .065
15.955± .075
16.955± .080
17.955± .085
.139± .004
.139± .004
.139± .004
.139± .004
.139± .004
.139± .004
.139± .004
.139± .004
.139± .004
.139± .004
.139± .004
.139± .004
.139± .004
.139± .004
.139± .004
.139± .004
.139± .004
.139± .004
.139± .004
.139± .004
.139± .004
.139± .004
.139± .004
.139± .004
.139± .004
.139± .004
.139± .004
.139± .004
.139± .004
.139± .004
.139± .004
.139± .004
.139± .004
.139± .004
.139± .004
.139± .004
.139± .004
.139± .004
.139± .004
.139± .004
.139± .004
.139± .004
.139± .004
.139± .004
.139± .004
.139± .004
.139± .004
.139± .004
.139± .004
.139± .004
.139± .004
.139± .004
.139± .004
.139± .004
.139± .004
.139± .004
.139± .004
.139± .004
.139± .004
.139± .004
.139± .004
.139± .004
.139± .004
.139± .004
.139± .004
.139± .004
.139± .004
.139± .004
.139± .004
.139± .004
.139± .004
.139± .004
.139± .004
.139± .004
.139± .004
.139± .004
.139± .004
.139± .004
.139± .004
.139± .004
.139± .004
.139± .004
.139± .004
.139± .004
4.34± 0.13
5.94± 0.13
7.52± 0.13
9.12± 0.13
10.69± 0.13
12.29± 0.13
13.87± 0.17
15.47± 0.23
17.04± 0.23
18.64± 0.25
20.22± 0.25
21.82± 0.25
23.39± 0.25
25.00± 0.25
26.57± 0.25
28.17± 0.30
29.74± 0.30
31.34± 0.30
32.92± 0.30
34.52± 0.30
36.09± 0.30
37.69± 0.38
40.87± 0.38
44.04± 0.38
47.22± 0.46
50.39± 0.46
53.57± 0.46
56.74± 0.50
59.92± 0.50
63.09± 0.50
66.27± 0.50
69.44± 0.61
72.62± 0.61
75.79± 0.61
78.97± 0.61
82.14± 0.61
85.32± 0.61
88.49± 0.61
91.67± 0.71
94.84± 0.71
98.02± 0.71
101.19± 0.71
104.37± 0.71
107.54± 0.76
110.72± 0.76
113.89± 0.76
117.07± 0.76
120.24± 0.76
123.42± 0.89
126.59± 0.89
129.77± 0.89
132.94± 0.89
136.12± 0.89
139.29± 0.89
142.47± 0.89
145.65± 0.89
148.82± 0.89
151.99± 0.89
158.34± 1.02
164.69± 1.02
171.04± 1.02
177.39± 1.02
183.74± 1.14
190.09± 1.14
196.44± 1.14
202.79± 1.14
209.14± 1.27
215.49± 1.27
221.84± 1.27
228.19± 1.27
234.54± 1.40
240.89± 1.40
247.24± 1.40
253.59± 1.40
266.29± 1.40
278.99± 1.65
291.69± 1.65
304.39± 1.65
329.79± 1.65
355.19± 1.65
380.59± 1.65
405.26± 1.91
430.66± 2.03
456.06± 2.16
3.53± 0.10
3.53± 0.10
3.53± 0.10
3.53± 0.10
3.53± 0.10
3.53± 0.10
3.53± 0.10
3.53± 0.10
3.53± 0.10
3.53± 0.10
3.53± 0.10
3.53± 0.10
3.53± 0.10
3.53± 0.10
3.53± 0.10
3.53± 0.10
3.53± 0.10
3.53± 0.10
3.53± 0.10
3.53± 0.10
3.53± 0.10
3.53± 0.10
3.53± 0.10
3.53± 0.10
3.53± 0.10
3.53± 0.10
3.53± 0.10
3.53± 0.10
3.53± 0.10
3.53± 0.10
3.53± 0.10
3.53± 0.10
3.53± 0.10
3.53± 0.10
3.53± 0.10
3.53± 0.10
3.53± 0.10
3.53± 0.10
3.53± 0.10
3.53± 0.10
3.53± 0.10
3.53± 0.10
3.53± 0.10
3.53± 0.10
3.53± 0.10
3.53± 0.10
3.53± 0.10
3.53± 0.10
3.53± 0.10
3.53± 0.10
3.53± 0.10
3.53± 0.10
3.53± 0.10
3.53± 0.10
3.53± 0.10
3.53± 0.10
3.53± 0.10
3.53± 0.10
3.53± 0.10
3.53± 0.10
3.53± 0.10
3.53± 0.10
3.53± 0.10
3.53± 0.10
3.53± 0.10
3.53± 0.10
3.53± 0.10
3.53± 0.10
3.53± 0.10
3.53± 0.10
3.53± 0.10
3.53± 0.10
3.53± 0.10
3.53± 0.10
3.53± 0.10
3.53± 0.10
3.53± 0.10
3.53± 0.10
3.53± 0.10
3.53± 0.10
3.53± 0.10
3.53± 0.10
3.53± 0.10
3.53± 0.10
3/16
1/4
5/16
3/8
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
1-7/16
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
1/8
1/8
1/8
1/8
1/8
1/8
1/8
1/8
1/8
1/8
1/8
1/8
1/8
1/8
1/8
1/8
1/8
1/8
1/8
1/8
1/8
1/8
1/8
1/8
1/8
1/8
1/8
1/8
1/8
1/8
1/8
1/8
1/8
1/8
1/8
1/8
1/8
1/8
1/8
1/8
1/8
1/8
1/8
1/8
1/8
1/8
1/8
1/8
1/8
1/8
1/8
1/8
1/8
1/8
1/8
1/8
1/8
1/8
1/8
1/8
1/8
1/8
1/8
1/8
1/8
1/8
1/8
1/8
1/8
1/8
1/8
1/8
1/8
1/8
1/8
1/8
1/8
1/8
1/8
1/8
1/8
1/8
1/8
1/8
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
1-7/16
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
6-1/2
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
10-1/4
10-3/4
11-1/4
11-3/4
12-1/4
13-1/4
14-1/4
15-1/4
16-1/4
17-1/4
18-1/4

O-Ring Size # 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

O-Ring Size # 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.
-425
-426
-427
-428
-429
-430
-431
-432
-433
-434
-435
-436
-437
-438
-439
-440
-441
-442
-443
-444
-445
4.475± .033
4.600± .033
4.725± .033
4.850± .033
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
.275± .006
.275± .006
.275± .006
.275± .006
.275± .006
.275± .006
.275± .006
.275± .006
.275± .006
.275± .006
.275± .006
.275± .006
.275± .006
.275± .006
.275± .006
.275± .006
.275± .006
.275± .006
.275± .006
.275± .006
.275± .006
113.67± 0.84
116.84± 0.84
120.02± 0.84
123.19± 0.84
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
6.99± 0.15
6.99± 0.15
6.99± 0.15
6.99± 0.15
6.99± 0.15
6.99± 0.15
6.99± 0.15
6.99± 0.15
6.99± 0.15
6.99± 0.15
6.99± 0.15
6.99± 0.15
6.99± 0.15
6.99± 0.15
6.99± 0.15
6.99± 0.15
6.99± 0.15
6.99± 0.15
6.99± 0.15
6.99± 0.15
6.99± 0.15
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
1/4
1/4
1/4
1/4
1/4
1/4
1/4
1/4
1/4
1/4
1/4
1/4
1/4
1/4
1/4
1/4
1/4
1/4
1/4
1/4
1/4
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
6-1/2
6-3/4
7
7-1/4
7-1/2
7-3/4
8
8-1/4
8-1/2
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Mercer Gasket & Shim is a custom manufacturer and distributor of gasket sealing products. Mercer provides custom cutting and die cutting services. A wide variety of materials are available, neoprene, Buna, Hypalon, EPDM, Nitrile, NBR, Viton, Silicone, Cloth Inserted & Butyl. Mercer Gasket distributes mechanical packing products in many styles. Spiral wound gaskets and O-Rings are available for immediate purchase. Please visit our main site www.mercergasket.com to learn more about what Mercer Gasket can do to meet all your sealing needs.

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