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70 Durometer Buna-N O-Ring, Inch OD, 4-1/2 Inch ID, 0.21 Inch Width
Brand
Hercules Sealing Products
Brand
Hercules Sealing Products
Supplier Part Number
568-349
Alternate Part Numbers
Alternate Part Number
C1CF91 ,
Alternate Part Number
MI-08740535 ,
Alternate Part Number
MINO-00407X21595
these come in a pack of four, right? just wanna make sure before i order, got four spots to seal up on a hydraulic manifold and don't wanna be short
Question by: Freddie W on Jan 24, 2026, 3:30 PM
Four per package, so you'd be covered for all four spots in one order. The inner diameter on these runs 4.475 inches actual, outer diameter is 4.895 inches, and the width is 0.21 inches. As long as those dimensions match your groove spec, you're good to go.
Answer by: Customer Support on Jan 26, 2026, 6:02 AM
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Model Number
Dash Size
Nominal I.D. (in)
Nominal O.D.
Nominal Width
Actual I.D.
Actual O.D.
Actual Width
Package Qty.
Price
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A-008
-008
3/16
5/16
1/16
0.176
0.316
0.07 in
50
A-011
-011
5/16
7/16
1/16
0.301
0.441
0.07 in
50
A-013
-013
7/16
9/16
1/16
0.426
0.566
0.07 in
50
A-017
-017
11/16
13/16
1/16
0.676
0.816
0.07 in
50
A-020
-020
7/8
1
1/16
0.864
1.004
0.07 in
50
A-022
-022
1
1-1/8
1/16
0.989
1.129
0.07 in
50
A-024
-024
1-1/8
1-1/4
1/16
1.114
1.254
0.07 in
50
A-029
-029
1-1/2
1-5/8
1/16
1.489
1.629
0.07 in
20
A-037
-037
2-1/2
2-5/8
1/16
2.489
2.629
0.07 in
20
A-038
-038
2-5/8
2-3/4
1/16
2.614
2.754
0.07 in
10
A-043
-043
3-1/2
3-5/8
1/16
3.489
3.629
0.07 in
10
A-045
-045
4
4-1/8
1/16
3.989
4.129
0.07 in
10
A-112
-112
1/2
11/16
3/32
0.487
0.693
0.103 in
50
A-118
-118
7/8
1-1/16
3/32
0.862
1.068
0.103 in
50
A-121
-121
1-1/16
1-1/4
3/32
1.049
1.255
0.103 in
50
A-131-ORING
-131
1-11/16
1-7/8
3/32
1.674
1.88
0.103 in
20
A-136
-136
2
2-3/16
3/32
1.987
2.193
0.103 in
20
A-140
-140
2-1/4
2-7/16
3/32
2.237
2.443
0.103 in
20
A-146
-146
2-5/8
2-13/16
3/32
2.612
2.818
0.103 in
20
A-152
-152
3-1/4
3-7/16
3/32
3.237
3.443
0.103 in
10
A-159
-159
5
5-3/16
3/32
4.987
5.193
0.103 in
4
A-169
-169
7-1/2
7-11/16
3/32
7.487
7.693
0.103 in
2
A-214
-214
1
1-1/4
1/8
0.984
1.262
0.139 in
20
A-218
-218
1-1/4
1-1/2
1/8
1.234
1.512
0.139 in
20
A-221
-221
1-7/16
1-11/16
1/8
1.421
1.699
0.139 in
20
A-231
-231
2-5/8
2-7/8
1/8
2.609
2.887
0.139 in
10
A-232
-232
2-3/4
3
1/8
2.734
3.012
0.139 in
10
A-233
-233
2-7/8
3-1/8
1/8
2.859
3.137
0.139 in
10
A-234
-234
3
3-1/4
1/8
2.984
3.262
0.139 in
10
A-236
-236
3-1/4
3-1/2
1/8
3.234
3.512
0.139 in
10
A-238-ORING
-238
3-1/2
3-3/4
1/8
3.484
3.762
0.139 in
10
A-242-ORING
-242
4
4-1/4
1/8
3.984
4.262
0.139 in
10
A-244
-244
4-1/4
4-1/2
1/8
4.234
4.512
0.139 in
10
A-248
-248
4-3/4
5
1/8
4.734
5.012
0.139 in
4
A-251
-251
5-1/8
5-3/8
1/8
5.109
5.387
0.139 in
4
A-252
-252
5-1/4
5-1/2
1/8
5.234
5.512
0.139 in
4
A-256
-256
5-3/4
6
1/8
5.734
6.012
0.139 in
4
A-329
-329
2
2-3/8
3/16
1.975
2.395
0.21 in
20
A-334
-334
2-5/8
3
3/16
2.6
3.02
0.21 in
20
A-338
-338
3-1/8
3-1/2
3/16
3.1
3.52
0.21 in
10
A-342
-342
3-5/8
4
3/16
3.6
4.02
0.21 in
4
A-346
-346
4-1/8
4-1/2
3/16
4.1
4.52
0.21 in
4
568-450
-450
10-1/2
11
1/4
10.475
11.025
0.275 in
1
A-003
-003
1/16
3/16
1/16
0.056
0.176
0.06 in
50
A-005
-005
3/32
7/32
1/16
0.101
0.241
0.07 in
50
A-006
-006
1/8
1/4
1/16
0.114
0.254
0.07 in
50
A-007
-007
5/32
9/32
1/16
0.145
0.285
0.07 in
50
A-009
-009
7/32
11/32
1/16
0.208
0.348
0.07 in
50
A-010
-010
1/4
3/8
1/16
0.239
0.379
0.07 in
50
A-012
-012
3/8
1/2
1/16
0.364
0.504
0.07 in
50
A-014
-014
1/2
5/8
1/16
0.489
0.629
0.07 in
50
A-015
-015
9/16
11/16
1/16
0.551
0.691
0.07 in
50
A-016
-016
5/8
3/4
1/16
0.614
0.754
0.07 in
50
A-019
-019
13/16
15/16
1/16
0.801
0.941
0.07 in
50
A-021
-021
15/16
1-1/16
1/16
0.926
1.066
0.07 in
50
A-023
-023
1-1/16
1-3/16
1/16
1.051
1.191
0.07 in
50
A-025
-025
1-3/16
1-5/16
1/16
1.176
1.316
0.07 in
50
A-026
-026
1-1/4
1-3/8
1/16
1.239
1.379
0.07 in
50
A-027
-027
1-5/16
1-7/16
1/16
1.301
1.441
0.07 in
50
A-028
-028
1-3/8
1-1/2
1/16
1.364
1.504
0.07 in
20
A-030
-030
1-5/8
1-3/4
1/16
1.614
1.754
0.07 in
20
A-031
-031
1-3/4
1-7/8
1/16
1.739
1.879
0.07 in
20
A-032
-032
1-7/8
2
1/16
1.864
2.004
0.07 in
20
A-033
-033
2
2-1/8
1/16
1.989
2.129
0.07 in
20
A-034
-034
2-1/8
2-1/4
1/16
2.114
2.254
0.07 in
20
A-035
-035
2-1/4
2-3/8
1/16
2.239
2.379
0.07 in
20
A-036
-036
2-3/8
2-1/2
1/16
2.364
2.504
0.07 in
20
A-039
-039
2-3/4
2-7/8
1/16
2.739
2.879
0.07 in
10
A-040
-040
2-7/8
3
1/16
2.864
3.004
0.07 in
10
A-041
-041
3
3-1/8
1/16
2.989
3.129
0.07 in
10
A-042
-042
3-1/4
3-3/8
1/16
3.239
3.379
0.07 in
10
A-044
-044
3-3/4
3-7/8
1/16
3.739
3.879
0.07 in
10
A-048
-048
4-3/4
4-7/8
1/16
4.739
4.879
0.07 in
4
A-049
-049
5
5-1/8
1/16
4.989
5.129
0.07 in
4
A-106
-106
3/16
3/8
3/32
0.174
0.38
0.103 in
50
A-107
-107
7/32
13/32
3/32
0.206
0.412
0.103 in
50
A-108
-108
1/4
7/16
3/32
0.237
0.443
0.103 in
50
A-109
-109
5/16
1/2
3/32
0.299
0.505
0.103 in
50
A-110-ORING
-110
3/8
9/16
3/32
0.362
0.568
0.103 in
50
A-111
-111
7/16
5/8
3/32
0.424
0.63
0.103 in
50
A-114
-114
5/8
13/16
3/32
0.612
0.818
0.103 in
50
A-115
-115
11/16
7/8
3/32
0.674
0.88
0.103 in
50
A-116
-116
3/4
15/16
3/32
0.737
0.943
0.103 in
50
A-117
-117
13/16
1
3/32
0.799
1.005
0.103 in
50
A-119
-119
15/16
1-1/8
3/32
0.924
1.13
0.103 in
50
A-120
-120
1
1-3/16
3/32
0.987
1.193
0.103 in
50
A-122
-122
1-1/8
1-5/16
3/32
1.112
1.318
0.103 in
20
A-123
-123
1-3/16
1-3/8
3/32
1.174
1.38
0.103 in
20
A-124
-124
1-1/4
1-7/16
3/32
1.237
1.443
0.103 in
20
A-125
-125
1-5/16
1-1/2
3/32
1.299
1.505
0.103 in
20
A-126
-126
1-3/8
1-9/16
3/32
1.362
1.568
0.103 in
20
A-127
-127
1-7/16
1-5/8
3/32
1.424
1.63
0.103 in
20
A-128
-128
1-1/2
1-11/16
3/32
1.487
1.693
0.103 in
20
A-129-ORING
-129
1-9/16
1-3/4
3/32
1.549
1.755
0.103 in
20
A-130
-130
1-5/8
1-13/16
3/32
1.612
1.818
0.103 in
20
A-132-ORING
-132
1-3/4
1-15/16
3/32
1.737
1.943
0.103 in
20
A-133
-133
1-13/16
2
3/32
1.799
2.005
0.103 in
20
A-134
-134
1-7/8
2-1/16
3/32
1.862
2.068
0.103 in
20
A-135
-135
1-15/16
2-1/8
3/32
1.925
2.131
0.103 in
20
A-138
-138
2-1/8
2-5/16
3/32
2.112
2.318
0.103 in
20
A-139
-139
2-3/16
2-3/8
3/32
2.175
2.381
0.103 in
20
A-141-ORING
-141
2-5/16
2-1/2
3/32
2.3
2.506
0.103 in
20
A-142
-142
2-3/8
2-9/16
3/32
2.362
2.568
0.103 in
20
A-143
-143
2-7/16
2-5/8
3/32
2.425
2.631
0.103 in
20
A-144
-144
2-1/2
2-11/16
3/32
2.487
2.693
0.103 in
20
A-145
-145
2-9/16
2-3/4
3/32
2.55
2.756
0.103 in
20
A-147
-147
2-11/16
2-7/8
3/32
2.675
2.881
0.103 in
20
A-148
-148
2-3/4
2-15/16
3/32
2.737
2.943
0.103 in
10
A-149
-149
2-13/16
3
3/32
2.8
3.006
0.103 in
10
A-150
-150
2-7/8
3-1/16
3/32
2.862
3.068
0.103 in
10
A-151
-151
3
3-3/16
3/32
2.987
3.193
0.103 in
10
A-153
-153
3-1/2
3-11/16
3/32
3.487
3.693
0.103 in
10
A-154
-154
3-3/4
3-15/16
3/32
3.737
3.943
0.103 in
10
A-155
-155
4
4-3/16
3/32
3.987
4.193
0.103 in
10
A-156
-156
4-1/4
4-7/16
3/32
4.237
4.443
0.103 in
10
A-157
-157
4-1/2
4-11/16
3/32
4.487
4.693
0.103 in
4
A-158
-158
4-3/4
4-15/16
3/32
4.737
4.943
0.103 in
4
A-160
-160
5-1/4
5-7/16
3/32
5.237
5.443
0.103 in
4
A-161
-161
5-1/2
5-11/16
3/32
5.487
5.693
0.103 in
4
A-163
-163
6
6-3/16
3/32
5.987
6.193
0.103 in
2
A-164
-164
6-1/4
6-7/16
3/32
6.237
6.443
0.103 in
2
A-170
-170
7-3/4
7-15/16
3/32
7.737
7.943
0.103 in
2
A-172
-172
8-1/4
8-7/16
3/32
8.237
8.443
0.103 in
2
A-202
-202
1/4
1/2
1/8
0.234
0.512
0.139 in
50
A-203
-203
5/16
9/16
1/8
0.296
0.574
0.139 in
50
A-204
-204
3/8
5/8
1/8
0.359
0.637
0.139 in
50
A-205
-205
7/16
11/16
1/8
0.421
0.699
0.139 in
50
A-206
-206
1/2
3/4
1/8
0.484
0.762
0.139 in
50
A-208
-208
5/8
7/8
1/8
0.609
0.887
0.139 in
20
A-209
-209
11/16
15/16
1/8
0.671
0.949
0.139 in
20
A-210-ORING
-210
3/4
1
1/8
0.734
1.012
0.139 in
20
A-213
-213
15/16
1-3/16
1/8
0.921
1.199
0.139 in
20
A-215
-215
1-1/16
1-5/16
1/8
1.046
1.324
0.139 in
20
A-216
-216
1-1/8
1-3/8
1/8
1.109
1.387
0.139 in
20
A-217
-217
1-3/16
1-7/16
1/8
1.171
1.449
0.139 in
20
A-219
-219
1-5/16
1-9/16
1/8
1.296
1.574
0.139 in
20
A-220
-220
1-3/8
1-5/8
1/8
1.359
1.637
0.139 in
20
A-222
-222
1-1/2
1-3/4
1/8
1.484
1.762
0.139 in
20
A-223
-223
1-5/8
1-7/8
1/8
1.609
1.887
0.139 in
20
A-224
-224
1-3/4
2
1/8
1.734
2.012
0.139 in
20
A-225
-225
1-7/8
2-1/8
1/8
1.859
2.137
0.139 in
20
A-226
-226
2
2-1/4
1/8
1.984
2.262
0.139 in
20
A-227
-227
2-1/8
2-3/8
1/8
2.109
2.387
0.139 in
20
A-229
-229
2-3/8
2-5/8
1/8
2.359
2.637
0.139 in
20
A-230
-230
2-1/2
2-3/4
1/8
2.484
2.762
0.139 in
10
A-234-VITON
-234
3
3-1/4
1/8
2.984
3.262
0.139 in
10
A-235
-235
3-1/8
3-3/8
1/8
3.109
3.387
0.139 in
10
A-237
-237
3-3/8
3-5/8
1/8
3.359
3.637
0.139 in
10
A-239-ORING
-239
3-5/8
3-7/8
1/8
3.609
3.887
0.139 in
10
A-240-ORING
-240
3-3/4
4
1/8
3.734
4.012
0.139 in
10
A-241-ORING
-241
3-7/8
4-1/8
1/8
3.859
4.137
0.139 in
10
A-243
-243
4-1/8
4-3/8
1/8
4.109
4.387
0.139 in
10
A-245
-245
4-3/8
4-5/8
1/8
4.359
4.637
0.139 in
4
A-246
-246
4-1/2
4-3/4
1/8
4.484
4.762
0.139 in
4
A-247
-247
4-5/8
4-7/8
1/8
4.609
4.887
0.139 in
4
A-249
-249
4-7/8
5-1/8
1/8
4.859
5.137
0.139 in
4
A-250
-250
5
5-1/4
1/8
4.984
5.262
0.139 in
4
A-253
-253
5-3/8
5-5/8
1/8
5.359
5.637
0.139 in
4
A-254
-254
5-1/2
5-3/4
1/8
5.484
5.762
0.139 in
4
A-255
-255
5-5/8
5-7/8
1/8
5.609
5.887
0.139 in
4
A-257
-257
5-7/8
6-1/8
1/8
5.859
6.137
0.139 in
2
A-258-ORING
-258
6
6-1/4
1/8
5.984
6.262
0.139 in
2
A-259
-259
6-1/4
6-1/2
1/8
6.234
6.512
0.139 in
2
A-260
-260
6-1/2
6-3/4
1/8
6.484
6.762
0.139 in
2
A-261
-261
6-3/4
7
1/8
6.734
7.012
0.139 in
2
A-262
-262
7
7-1/4
1/8
6.984
7.262
0.139 in
2
A-263
-263
7-1/4
7-1/2
1/8
7.234
7.512
0.139 in
2
A-264
-264
7-1/2
7-3/4
1/8
7.484
7.762
0.139 in
2
A-265
-265
7-3/4
8
1/8
7.734
8.012
0.139 in
2
A-266
-266
8
8-1/4
1/8
7.984
8.262
0.139 in
2
A-267
-267
8-1/4
8-1/2
1/8
8.234
8.512
0.139 in
2
A-268
-268
8-1/2
8-3/4
1/8
8.484
8.762
0.139 in
2
A-269
-269
8-3/4
9
1/8
8.734
9.012
0.139 in
2
A-274
-274
10
10-1/4
1/8
9.984
10.262
0.139 in
2
A-275
-275
10-1/2
10-3/4
1/8
10.484
10.762
0.139 in
2
A-276
-276
11
11-1/4
1/8
10.984
11.262
0.139 in
1
A-277
-277
11-1/2
11-3/4
1/8
11.484
11.762
0.139 in
1
A-278
-278
12
12-1/4
1/8
11.984
12.262
0.139 in
1
A-282
-282
16
16-1/4
1/8
15.955
16.233
0.139 in
1
A-311
-311
9/16
15/16
3/16
0.537
0.957
0.21 in
50
A-312
-312
5/8
1
3/16
0.6
1.02
0.21 in
50
A-313
-313
11/16
1-1/16
3/16
0.662
1.082
0.21 in
50
A-314
-314
3/4
1-1/8
3/16
0.725
1.145
0.21 in
50
A-315
-315
13/16
1-3/16
3/16
0.787
1.207
0.21 in
20
A-316
-316
7/8
1-1/4
3/16
0.85
1.27
0.21 in
50
A-318
-318
1
1-3/8
3/16
0.975
1.395
0.21 in
20
A-319
-319
1-1/16
1-7/16
3/16
1.037
1.457
0.21 in
50
A-320
-320
1-1/8
1-1/2
3/16
1.1
1.52
0.21 in
20
A-321
-321
1-3/16
1-9/16
3/16
1.162
1.582
0.21 in
20
A-322
-322
1-1/4
1-5/8
3/16
1.225
1.645
0.21 in
20
A-323
-323
1-5/16
1-11/16
3/16
1.287
1.707
0.21 in
10
A-324
-324
1-3/8
1-3/4
3/16
1.35
1.77
0.21 in
20
A-325
-325
1-1/2
1-7/8
3/16
1.475
1.895
0.21 in
20
A-326
-326
1-5/8
2
3/16
1.6
2.02
0.21 in
20
A-327
-327
1-3/4
2-1/8
3/16
1.725
2.145
0.21 in
20
A-328
-328
1-7/8
2-1/4
3/16
1.85
2.27
0.21 in
20
A-331
-331
2-1/4
2-5/8
3/16
2.225
2.645
0.21 in
20
A-332
-332
2-3/8
2-3/4
3/16
2.35
2.77
0.21 in
20
A-333
-333
2-1/2
2-7/8
3/16
2.475
2.895
0.21 in
20
A-335
-335
2-3/4
3-1/8
3/16
2.725
3.145
0.21 in
10
A-336
-336
2-7/8
3-1/4
3/16
2.85
3.27
0.21 in
10
A-337
-337
3
3-3/8
3/16
2.975
3.395
0.21 in
10
A-339
-339
3-1/4
3-5/8
3/16
3.225
3.645
0.21 in
10
A-340
-340
3-3/8
3-3/4
3/16
3.35
3.77
0.21 in
10
A-343
-343
3-3/4
4-1/8
3/16
3.725
4.145
0.21 in
4
A-344
-344
3-7/8
4-1/4
3/16
3.85
4.27
0.21 in
4
A-347
-347
4-1/4
4-5/8
3/16
4.225
4.645
0.21 in
4
A-348
-348
4-3/8
4-3/4
3/16
4.35
4.77
0.21 in
4
A-349
-349
4-1/2
4-7/8
3/16
4.475
4.895
0.21 in
4
A-350
-350
4-5/8
5
3/16
4.6
5.02
0.21 in
4
A-351
-351
4-3/4
5-1/8
3/16
4.725
5.145
0.21 in
4
A-352
-352
4-7/8
5-1/4
3/16
4.85
5.27
0.21 in
4
A-353
-353
5
5-3/8
3/16
4.975
5.395
0.21 in
4
A-355
-355
5-1/4
5-5/8
3/16
5.225
5.645
0.21 in
4
A-356
-356
5-3/8
5-3/4
3/16
5.35
5.77
0.21 in
4
A-358
-358
5-5/8
6
3/16
5.6
6.02
0.21 in
4
A-360
-360
5-7/8
6-1/4
3/16
5.85
6.27
0.21 in
4
A-362
-362
6-1/4
6-5/8
3/16
6.225
6.645
0.21 in
4
A-363
-363
6-1/2
6-7/8
3/16
6.475
6.895
0.21 in
4
A-364
-364
6-3/4
7-1/8
3/16
6.725
7.145
0.21 in
4
A-366
-366
7-1/4
7-5/8
3/16
7.225
7.645
0.21 in
2
A-367
-367
7-1/2
7-7/8
3/16
7.475
7.895
0.21 in
2
A-378
-378
10-1/2
10-7/8
3/16
10.475
10.895
0.21 in
1
A-426
-426
4-5/8
5-1/8
1/4
4.6
5.15
0.275 in
4
A-427
-427
4-3/4
5-1/4
1/4
4.725
5.275
0.275 in
4
A-428
-428
4-7/8
5-3/8
1/4
4.85
5.4
0.275 in
4
A-429
-429
5
5-1/2
1/4
4.975
5.525
0.275 in
4
A-432
-432
5-3/8
5-7/8
1/4
5.35
5.9
0.275 in
4
A-434
-434
5-5/8
6-1/8
1/4
5.6
6.15
0.275 in
4
A-435
-435
5-3/4
6-1/4
1/4
5.725
6.275
0.275 in
4
A-436
-436
5-7/8
6-3/8
1/4
5.85
6.4
0.275 in
4
A-437
-437
6
6-1/2
1/4
5.975
6.525
0.275 in
2
A-438
-438
6-1/4
6-3/4
1/4
6.225
6.775
0.275 in
2
A-439
-439
6-1/2
7
1/4
6.475
7.025
0.275 in
2
A-441
-441
7
7-1/2
1/4
6.975
7.525
0.275 in
2
A-443
-443
7-1/2
8
1/4
7.475
8.025
0.275 in
2
A-446
-446
8-1/2
9
1/4
8.475
9.025
0.275 in
2
A-448
-448
9-1/2
10
1/4
9.475
10.025
0.275 in
2
A-345
-345
4
4-3/8
3/16
3.975
4.395
0.21 in
4
A-113
-113
9/16
3/4
3/32
0.549
0.755
0.103 in
50
A-137
-137
2-1/16
2-1/4
3/32
2.05
2.256
0.103 in
20
A-207
-207
9/16
13/16
1/8
0.546
0.824
0.139 in
50
A-211
-211
13/16
1-1/16
1/8
0.796
1.074
0.139 in
20
A-212
-212
7/8
1-1/8
1/8
0.859
1.137
0.139 in
20
A-228
-228
2-1/4
2-1/2
1/8
2.234
2.512
0.139 in
20
A-330
-330
2-1/8
2-1/2
3/16
2.1
2.52
0.21 in
20
A-341
-341
3-1/2
3-7/8
3/16
3.475
3.895
0.21 in
4
A-354
-354
5-1/8
5-1/2
3/16
5.1
5.52
0.21 in
4
A-357
-357
5-1/2
5-7/8
3/16
5.475
5.895
0.21 in
4
A-425
-425
4-1/2
5
1/4
4.475
5.025
0.275 in
4
A-433
-433
5-1/2
6
1/4
5.475
6.025
0.275 in
4
A-440
-440
6-3/4
7-1/4
1/4
6.725
7.275
0.275 in
2
