FDA Approved O-Ring Seals - Grainger Industrial Supply

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Dash Number

AS568 Dash Number

A universal standard that defines the sizes and tolerances for Inch O-rings. Metric O-rings are measured to the actual inside diameter.

001
001-1/2
002
003
004
005
006
007
008
009
010
011
012
013
014
015
016
017
018
019
020
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
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
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
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
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
901
902
903
904
905
906
907
908
909
910
911
912
913
914
916
918
920
924
928
932

System of Measurement

Inch
Metric

Cross Section Shape

O-Ring Material

Buna N
EPDM
FEP with Silicone Core
FEP with Viton Core
Kalrez 6230
PTFE
Silicone
Viton
Viton ETP

O-Ring Material Compatibility

Acetone
Anhydrous Ammonia
Animal Fats
Bleach
Carbon Dioxide
Detergents
Diesel Oil
Ethanol
Fatty Acids
Gasoline
Hydraulic Oils (Petroleum)
Hydrochloric Acid (37%)
Kerosene
Liquid Propane Gas
Lubricating Oils (Petroleum)
Methanol
Mineral Oil
Natural Gas
Nitrogen
Silicone Grease
Steam
Sulfuric Acid (Dilute)
Toluene
Vegetable Oils
Water

Durometer

What is Durometer?

Elastomer material hardness is referred to as Durometer. Within a material, the higher Durometer number, the harder the material.

50 Shore A
55 Shore D
60 Shore A
70 Shore A
75 Shore A
85 Shore A
90 Shore A

Color

Black
Blue
Clear with Black Core
Clear with Red Core
Red
White

Nominal Inside Dia.

1/32 in
3/64 in
1/16 in
5/64 in
3/32 in
1/8 in
9/64 in
5/32 in
11/64 in
3/16 in
13/64 in
7/32 in
15/64 in
1/4 in
17/64 in
5/16 in
21/64 in
3/8 in
25/64 in
2/5 in
7/16 in
29/64 in
1/2 in
33/64 in
9/16 in
37/64 in
5/8 in
41/64 in
11/16 in
45/64 in
3/4 in
49/64 in
13/16 in
53/64 in
7/8 in
57/64 in
15/16 in
61/64 in
1 in
1-1/64 in
1-1/16 in
1-5/64 in
1-1/8 in
1-9/64 in
1-3/16 in
1-13/64 in
1-1/4 in
1-17/64 in
1-5/16 in
1-21/64 in
1-3/8 in
1-7/16 in
1-1/2 in
1-33/64 in
1-9/16 in
1-5/8 in
1-11/16 in
1-3/4 in
1-13/16 in
1-7/8 in
1-15/16 in
2 in
2-1/64 in
2-1/16 in
2-1/8 in
2-3/16 in
2-1/4 in
2-5/16 in
2-3/8 in
2-7/16 in
2-1/2 in
2-9/16 in
2-5/8 in
2-41/64 in
2-11/16 in
2-3/4 in
2-13/16 in
2-7/8 in
3 in
3-1/8 in
3-1/4 in
3-3/8 in
3-1/2 in
3-5/8 in
3-3/4 in
3-7/8 in
4 in
4-1/8 in
4-1/4 in
4-3/8 in
4-1/2 in
4-5/8 in
4-3/4 in
4-7/8 in
5 in
5-1/8 in
5-1/4 in
5-3/8 in
5-1/2 in
5-5/8 in
5-3/4 in
5-7/8 in
6 in
6-1/4 in
6-1/2 in
6-3/4 in
7 in
7-1/4 in
7-1/2 in
7-3/4 in
8 in
8-1/4 in
8-1/2 in
8-3/4 in
9 in
9-1/4 in
9-1/2 in
9-3/4 in
10 in
10-1/2 in
11 in
11-1/2 in
12 in
12-1/2 in
13 in
13-1/2 in
14 in
14-1/2 in
15 in
15-1/2 in
16 in
16-1/2 in
17 in
17-1/2 in
18 in
18-1/2 in
19 in
19-1/2 in
20 in
21 in
22 in
23 in
24 in
25 in
26 in
2 mm
2.2 mm
2.5 mm
3 mm
3.1 mm
3.5 mm
4 mm
4.1 mm
4.5 mm
5 mm
5.1 mm
5.5 mm
5.6 mm
5.7 mm
6 mm
6.3 mm
6.5 mm
7 mm
7.1 mm
7.5 mm
7.6 mm
8 mm
8.5 mm
8.9 mm
9 mm
9.1 mm
9.5 mm
10 mm
10.1 mm
11 mm
11.1 mm
11.5 mm
12 mm
12.1 mm
12.5 mm
13 mm
13.1 mm
14 mm
15 mm
16 mm
17 mm
18 mm
19 mm
20 mm
21 mm
22 mm
23 mm
24 mm
25 mm
26 mm
27 mm
28 mm
30 mm
31 mm
32 mm
33 mm
34 mm
35 mm
36 mm
38 mm
39 mm
40 mm
41 mm
42 mm
43 mm
44 mm
45 mm
48 mm
50 mm
54 mm
55 mm
56 mm
59 mm
60 mm
62 mm
65 mm
70 mm
75 mm
80 mm
85 mm
90 mm
94 mm
100 mm
109.5 mm
114.5 mm
120 mm
140 mm
145 mm
150 mm
7/15 in
11/17 in

Actual Inside Dia.

0.029 in
0.042 in
0.049 in
0.056 in
0.07 in
0.081 in
0.1 in
0.101 in
0.112 in
0.114 in
0.124 in
0.14 in
0.143 in
0.145 in
0.171 in
0.174 in
0.176 in
0.185 in
0.2 in
0.202 in
0.206 in
0.208 in
0.234 in
0.237 in
0.239 in
0.265 in
0.296 in
0.299 in
0.3 in
0.301 in
0.327 in
0.351 in
0.359 in
0.362 in
0.364 in
0.39 in
0.4 in
0.412 in
0.414 in
0.421 in
0.424 in
0.426 in
0.452 in
0.455 in
0.468 in
0.475 in
0.484 in
0.487 in
0.489 in
0.5 in
0.515 in
0.518 in
0.53 in
0.537 in
0.546 in
0.549 in
0.551 in
0.577 in
0.58 in
0.6 in
0.609 in
0.612 in
0.614 in
0.64 in
0.643 in
0.644 in
0.662 in
0.671 in
0.674 in
0.676 in
0.7 in
0.702 in
0.705 in
0.706 in
0.725 in
0.734 in
0.737 in
0.739 in
0.755 in
0.765 in
0.766 in
0.768 in
0.787 in
0.796 in
0.799 in
0.8 in
0.801 in
0.828 in
0.832 in
0.85 in
0.859 in
0.862 in
0.863 in
0.864 in
0.891 in
0.895 in
0.9 in
0.912 in
0.921 in
0.924 in
0.926 in
0.953 in
0.957 in
0.975 in
0.984 in
0.986 in
0.987 in
0.989 in
1 in
1.016 in
1.02 in
1.037 in
1.046 in
1.047 in
1.049 in
1.051 in
1.078 in
1.082 in
1.1 in
1.109 in
1.112 in
1.114 in
1.141 in
1.162 in
1.171 in
1.174 in
1.176 in
1.2 in
1.203 in
1.225 in
1.234 in
1.237 in
1.239 in
1.266 in
1.287 in
1.296 in
1.299 in
1.3 in
1.301 in
1.334 in
1.35 in
1.355 in
1.359 in
1.362 in
1.364 in
1.4 in
1.421 in
1.424 in
1.475 in
1.484 in
1.487 in
1.489 in
1.5 in
1.522 in
1.549 in
1.6 in
1.609 in
1.612 in
1.614 in
1.674 in
1.7 in
1.72 in
1.725 in
1.734 in
1.737 in
1.739 in
1.799 in
1.8 in
1.85 in
1.859 in
1.862 in
1.864 in
1.888 in
1.9 in
1.925 in
1.975 in
1.984 in
1.987 in
1.989 in
2.013 in
2.05 in
2.09 in
2.1 in
2.109 in
2.112 in
2.114 in
2.138 in
2.175 in
2.2 in
2.225 in
2.234 in
2.237 in
2.239 in
2.3 in
2.337 in
2.35 in
2.359 in
2.362 in
2.364 in
2.4 in
2.425 in
2.475 in
2.484 in
2.487 in
2.489 in
2.55 in
2.6 in
2.609 in
2.612 in
2.614 in
2.625 in
2.643 in
2.7 in
2.725 in
2.734 in
2.737 in
2.739 in
2.8 in
2.85 in
2.859 in
2.862 in
2.864 in
2.9 in
2.975 in
2.984 in
2.987 in
2.989 in
3.1 in
3.109 in
3.2 in
3.225 in
3.234 in
3.237 in
3.239 in
3.3 in
3.35 in
3.359 in
3.4 in
3.475 in
3.484 in
3.487 in
3.489 in
3.6 in
3.609 in
3.7 in
3.725 in
3.734 in
3.737 in
3.739 in
3.8 in
3.85 in
3.859 in
3.9 in
3.975 in
3.984 in
3.987 in
3.989 in
4.1 in
4.109 in
4.2 in
4.225 in
4.234 in
4.237 in
4.239 in
4.3 in
4.35 in
4.359 in
4.4 in
4.475 in
4.484 in
4.487 in
4.489 in
4.6 in
4.609 in
4.725 in
4.734 in
4.737 in
4.739 in
4.85 in
4.859 in
4.975 in
4.984 in
4.987 in
4.989 in
5.1 in
5.109 in
5.225 in
5.234 in
5.237 in
5.239 in
5.3 in
5.35 in
5.359 in
5.475 in
5.484 in
5.487 in
5.6 in
5.609 in
5.725 in
5.734 in
5.737 in
5.8 in
5.85 in
5.859 in
5.975 in
5.984 in
5.987 in
6.2 in
6.225 in
6.234 in
6.237 in
6.475 in
6.484 in
6.487 in
6.7 in
6.725 in
6.734 in
6.737 in
6.975 in
6.984 in
6.987 in
7.225 in
7.234 in
7.237 in
7.475 in
7.484 in
7.487 in
7.725 in
7.734 in
7.737 in
7.975 in
7.984 in
7.987 in
8.2 in
8.225 in
8.234 in
8.237 in
8.4 in
8.475 in
8.484 in
8.487 in
8.725 in
8.734 in
8.737 in
8.9 in
8.975 in
8.984 in
8.987 in
9.225 in
9.234 in
9.237 in
9.475 in
9.484 in
9.487 in
9.725 in
9.734 in
9.737 in
9.975 in
9.984 in
10.475 in
10.484 in
10.975 in
10.984 in
11.475 in
11.484 in
11.975 in
11.984 in
12.475 in
12.975 in
12.984 in
13.457 in
13.975 in
13.984 in
14.475 in
14.975 in
14.984 in
15.475 in
15.955 in
16.455 in
16.955 in
17.455 in
17.955 in
18.455 in
18.955 in
19.455 in
19.955 in
20.955 in
21.955 in
22.94 in
23.94 in
24.94 in
25.94 in
2 mm
2.2 mm
2.5 mm
3 mm
3.1 mm
3.5 mm
4 mm
4.1 mm
4.5 mm
5 mm
5.1 mm
5.5 mm
5.6 mm
5.7 mm
6 mm
6.3 mm
6.5 mm
7 mm
7.1 mm
7.5 mm
7.6 mm
8 mm
8.5 mm
8.9 mm
9 mm
9.1 mm
9.5 mm
10 mm
10.1 mm
11 mm
11.1 mm
11.5 mm
12 mm
12.1 mm
12.5 mm
13 mm
13.1 mm
14 mm
15 mm
16 mm
17 mm
18 mm
19 mm
20 mm
21 mm
22 mm
23 mm
24 mm
25 mm
26 mm
27 mm
28 mm
30 mm
31 mm
32 mm
33 mm
34 mm
35 mm
36 mm
38 mm
39 mm
40 mm
41 mm
42 mm
43 mm
44 mm
45 mm
48 mm
50 mm
54 mm
55 mm
56 mm
59 mm
60 mm
62 mm
65 mm
70 mm
75 mm
80 mm
85 mm
90 mm
94 mm
100 mm
109.5 mm
114.5 mm
120 mm
140 mm
145 mm
150 mm
0 in

Nominal Outside Dia.

3/32 in
1/8 in
9/64 in
3/16 in
13/64 in
7/32 in
1/4 in
9/32 in
5/16 in
11/32 in
3/8 in
13/32 in
7/16 in
1/2 in
9/16 in
5/8 in
11/16 in
3/4 in
13/16 in
7/8 in
15/16 in
1 in
1-1/16 in
1-1/8 in
1-3/16 in
1-1/4 in
1-5/16 in
1-3/8 in
1-7/16 in
1-1/2 in
1-9/16 in
1-5/8 in
1-11/16 in
1-3/4 in
1-13/16 in
1-7/8 in
1-15/16 in
2 in
2-1/16 in
2-1/8 in
2-3/16 in
2-1/4 in
2-5/16 in
2-3/8 in
2-7/16 in
2-1/2 in
2-9/16 in
2-5/8 in
2-11/16 in
2-3/4 in
2-13/16 in
2-7/8 in
2-15/16 in
3 in
3-1/16 in
3-1/8 in
3-3/16 in
3-1/4 in
3-3/8 in
3-7/16 in
3-1/2 in
3-5/8 in
3-11/16 in
3-3/4 in
3-7/8 in
3-15/16 in
4 in
4-1/8 in
4-3/16 in
4-1/4 in
4-3/8 in
4-7/16 in
4-1/2 in
4-5/8 in
4-11/16 in
4-3/4 in
4-7/8 in
4-15/16 in
5 in
5-1/8 in
5-3/16 in
5-1/4 in
5-3/8 in
5-7/16 in
5-1/2 in
5-5/8 in
5-11/16 in
5-3/4 in
5-7/8 in
5-15/16 in
6 in
6-1/8 in
6-3/16 in
6-1/4 in
6-3/8 in
6-7/16 in
6-1/2 in
6-5/8 in
6-11/16 in
6-3/4 in
6-7/8 in
6-15/16 in
7 in
7-1/8 in
7-3/16 in
7-1/4 in
7-3/8 in
7-7/16 in
7-1/2 in
7-5/8 in
7-11/16 in
7-3/4 in
7-7/8 in
7-15/16 in
8 in
8-1/8 in
8-3/16 in
8-1/4 in
8-3/8 in
8-7/16 in
8-1/2 in
8-5/8 in
8-11/16 in
8-3/4 in
8-7/8 in
8-15/16 in
9 in
9-1/8 in
9-3/16 in
9-1/4 in
9-3/8 in
9-7/16 in
9-1/2 in
9-5/8 in
9-11/16 in
9-3/4 in
9-7/8 in
9-15/16 in
10 in
10-1/8 in
10-1/4 in
10-3/8 in
10-1/2 in
10-3/4 in
10-7/8 in
11 in
11-1/4 in
11-3/8 in
11-1/2 in
11-3/4 in
11-7/8 in
12 in
12-1/4 in
12-3/8 in
12-1/2 in
13 in
13-1/4 in
13-3/8 in
13-1/2 in
14 in
14-1/4 in
14-3/8 in
14-1/2 in
15 in
15-1/4 in
15-3/8 in
15-1/2 in
16 in
16-1/4 in
16-3/8 in
16-1/2 in
17 in
17-1/4 in
17-3/8 in
17-1/2 in
18 in
18-1/4 in
18-3/8 in
18-1/2 in
19 in
19-3/8 in
19-1/2 in
20 in
20-3/8 in
20-1/2 in
21-3/8 in
21-1/2 in
22-3/8 in
22-1/2 in
23-3/8 in
23-1/2 in
24-3/8 in
24-1/2 in
25-3/8 in
25-1/2 in
26-3/8 in
26-1/2 in
4 mm
4.5 mm
5 mm
5.4 mm
5.5 mm
6 mm
6.3 mm
6.5 mm
7 mm
7.3 mm
7.5 mm
8 mm
8.3 mm
8.5 mm
9 mm
9.5 mm
10 mm
10.3 mm
10.4 mm
10.5 mm
11 mm
11.1 mm
11.5 mm
12 mm
12.3 mm
12.4 mm
12.5 mm
12.7 mm
13 mm
13.3 mm
13.5 mm
14 mm
14.3 mm
14.5 mm
15 mm
15.3 mm
16 mm
16.1 mm
16.3 mm
17 mm
18 mm
19 mm
20 mm
21 mm
22 mm
23 mm
24 mm
25 mm
26 mm
27 mm
28 mm
29 mm
30 mm
31 mm
32 mm
33 mm
34 mm
35 mm
36 mm
38 mm
39 mm
40 mm
41 mm
43 mm
44 mm
45 mm
46 mm
47 mm
48 mm
49 mm
50 mm
51 mm
52 mm
54 mm
55 mm
56 mm
59 mm
60 mm
61 mm
62 mm
64 mm
65 mm
66 mm
68 mm
69 mm
71 mm
74 mm
76 mm
79 mm
81 mm
86 mm
89 mm
93 mm
96 mm
100 mm
104 mm
106 mm
115.5 mm
120.5 mm
126 mm
128 mm
148 mm
151 mm
158 mm

Actual Outside Dia.

0.109 in
0.142 in
0.15 in
0.176 in
0.21 in
0.23 in
0.241 in
0.246 in
0.254 in
0.255 in
0.277 in
0.285 in
0.287 in
0.297 in
0.308 in
0.316 in
0.318 in
0.34 in
0.348 in
0.349 in
0.367 in
0.371 in
0.379 in
0.38 in
0.412 in
0.429 in
0.433 in
0.441 in
0.443 in
0.449 in
0.495 in
0.496 in
0.504 in
0.505 in
0.512 in
0.558 in
0.561 in
0.562 in
0.566 in
0.568 in
0.574 in
0.624 in
0.629 in
0.63 in
0.637 in
0.686 in
0.687 in
0.691 in
0.693 in
0.694 in
0.699 in
0.749 in
0.754 in
0.755 in
0.762 in
0.811 in
0.812 in
0.816 in
0.818 in
0.824 in
0.832 in
0.874 in
0.879 in
0.88 in
0.887 in
0.895 in
0.9 in
0.937 in
0.941 in
0.943 in
0.949 in
0.957 in
1 in
1.004 in
1.005 in
1.01 in
1.012 in
1.02 in
1.066 in
1.067 in
1.068 in
1.074 in
1.082 in
1.095 in
1.129 in
1.13 in
1.137 in
1.145 in
1.156 in
1.191 in
1.192 in
1.193 in
1.199 in
1.207 in
1.218 in
1.254 in
1.255 in
1.26 in
1.262 in
1.27 in
1.279 in
1.316 in
1.318 in
1.324 in
1.332 in
1.379 in
1.38 in
1.387 in
1.395 in
1.403 in
1.441 in
1.443 in
1.449 in
1.457 in
1.5 in
1.504 in
1.505 in
1.512 in
1.52 in
1.568 in
1.57 in
1.572 in
1.574 in
1.582 in
1.587 in
1.629 in
1.63 in
1.637 in
1.645 in
1.693 in
1.699 in
1.707 in
1.711 in
1.754 in
1.755 in
1.76 in
1.762 in
1.77 in
1.81 in
1.818 in
1.879 in
1.88 in
1.887 in
1.895 in
1.943 in
1.956 in
2.004 in
2.005 in
2.012 in
2.02 in
2.068 in
2.129 in
2.131 in
2.137 in
2.145 in
2.193 in
2.254 in
2.256 in
2.262 in
2.27 in
2.318 in
2.326 in
2.379 in
2.381 in
2.387 in
2.395 in
2.4 in
2.443 in
2.504 in
2.506 in
2.512 in
2.52 in
2.525 in
2.568 in
2.573 in
2.629 in
2.631 in
2.637 in
2.645 in
2.65 in
2.693 in
2.754 in
2.756 in
2.762 in
2.77 in
2.775 in
2.818 in
2.879 in
2.881 in
2.887 in
2.895 in
2.9 in
2.943 in
3.004 in
3.006 in
3.009 in
3.012 in
3.02 in
3.025 in
3.068 in
3.129 in
3.137 in
3.145 in
3.15 in
3.193 in
3.262 in
3.27 in
3.275 in
3.379 in
3.387 in
3.395 in
3.4 in
3.443 in
3.512 in
3.52 in
3.525 in
3.629 in
3.637 in
3.645 in
3.65 in
3.693 in
3.762 in
3.77 in
3.775 in
3.879 in
3.887 in
3.895 in
3.9 in
3.943 in
4.012 in
4.02 in
4.025 in
4.129 in
4.137 in
4.145 in
4.15 in
4.193 in
4.262 in
4.27 in
4.275 in
4.379 in
4.387 in
4.395 in
4.4 in
4.443 in
4.512 in
4.52 in
4.525 in
4.629 in
4.637 in
4.645 in
4.65 in
4.693 in
4.762 in
4.77 in
4.775 in
4.879 in
4.887 in
4.895 in
4.9 in
4.943 in
5.012 in
5.02 in
5.025 in
5.129 in
5.137 in
5.145 in
5.15 in
5.193 in
5.262 in
5.27 in
5.275 in
5.379 in
5.387 in
5.395 in
5.4 in
5.443 in
5.512 in
5.52 in
5.525 in
5.637 in
5.645 in
5.65 in
5.693 in
5.762 in
5.77 in
5.775 in
5.887 in
5.895 in
5.9 in
5.943 in
6.012 in
6.02 in
6.025 in
6.137 in
6.145 in
6.15 in
6.193 in
6.262 in
6.27 in
6.275 in
6.395 in
6.4 in
6.443 in
6.512 in
6.525 in
6.645 in
6.693 in
6.762 in
6.775 in
6.895 in
6.943 in
7.012 in
7.025 in
7.145 in
7.193 in
7.262 in
7.275 in
7.395 in
7.443 in
7.512 in
7.525 in
7.645 in
7.693 in
7.762 in
7.775 in
7.895 in
7.943 in
8.012 in
8.025 in
8.145 in
8.193 in
8.262 in
8.275 in
8.395 in
8.443 in
8.512 in
8.525 in
8.645 in
8.693 in
8.762 in
8.895 in
8.943 in
9.012 in
9.025 in
9.145 in
9.193 in
9.262 in
9.395 in
9.443 in
9.512 in
9.525 in
9.645 in
9.693 in
9.762 in
9.895 in
9.943 in
10.012 in
10.025 in
10.145 in
10.262 in
10.395 in
10.525 in
10.762 in
10.895 in
11.025 in
11.262 in
11.395 in
11.525 in
11.762 in
11.895 in
12.025 in
12.262 in
12.395 in
12.525 in
13.025 in
13.262 in
13.395 in
13.525 in
14.007 in
14.262 in
14.395 in
14.525 in
15.025 in
15.262 in
15.395 in
15.525 in
16.025 in
16.233 in
16.375 in
16.505 in
17.005 in
17.233 in
17.375 in
17.505 in
18.005 in
18.233 in
18.375 in
18.505 in
19.005 in
19.375 in
19.505 in
20.005 in
20.375 in
20.505 in
21.375 in
21.505 in
22.375 in
22.505 in
23.36 in
23.49 in
24.36 in
24.49 in
25.36 in
25.49 in
26.36 in
26.49 in
4 mm
4.5 mm
5 mm
5.4 mm
5.5 mm
6 mm
6.3 mm
6.5 mm
7 mm
7.3 mm
7.5 mm
8 mm
8.3 mm
8.5 mm
9 mm
9.5 mm
10 mm
10.3 mm
10.4 mm
10.5 mm
11 mm
11.1 mm
11.5 mm
12 mm
12.3 mm
12.4 mm
12.5 mm
12.7 mm
13 mm
13.3 mm
13.5 mm
14 mm
14.3 mm
14.5 mm
15 mm
15.3 mm
16 mm
16.1 mm
16.3 mm
17 mm
18 mm
19 mm
20 mm
21 mm
22 mm
23 mm
24 mm
25 mm
26 mm
27 mm
28 mm
29 mm
30 mm
31 mm
32 mm
33 mm
34 mm
35 mm
36 mm
38 mm
39 mm
40 mm
41 mm
43 mm
44 mm
45 mm
46 mm
47 mm
48 mm
49 mm
50 mm
51 mm
52 mm
54 mm
55 mm
56 mm
59 mm
60 mm
61 mm
62 mm
64 mm
65 mm
66 mm
68 mm
69 mm
71 mm
74 mm
76 mm
79 mm
81 mm
86 mm
89 mm
93 mm
96 mm
100 mm
104 mm
106 mm
115.5 mm
120.5 mm
126 mm
128 mm
148 mm
151 mm
158 mm

Nominal Width

1/32 in
3/64 in
1/16 in
3/32 in
1/8 in
3/16 in
1/4 in
1 mm
1.5 mm
1.6 mm
1.8 mm
1.9 mm
2 mm
2.4 mm
2.5 mm
3 mm
3.5 mm
4 mm
5 mm

Actual Width

0.04 in
0.05 in
0.053 in
0.056 in
0.06 in
0.064 in
0.07 in
0.072 in
0.078 in
0.082 in
0.086 in
0.087 in
0.094 in
0.097 in
0.103 in
0.116 in
0.118 in
0.119 in
0.139 in
0.183 in
0.21 in
0.275 in
1 mm
1.5 mm
1.6 mm
1.8 mm
1.9 mm
2 mm
2.4 mm
2.5 mm
3 mm
3.5 mm
4 mm
5 mm

Durometer (Hardness) Rating

Hard
Medium Hard
Very Hard

FDA Approved

Metal Detectable

X-Ray Detectable

Price

Min

Only digits are allowed. Maximum amount of digits: 6.

Max

Only digits are allowed. Maximum amount of digits: 6.

In Stock Now

Country of Origin: US

O-Rings

Available1,585 products

O-rings help ensure a tight seal to prevent air and fluid leaks in many commercial and industrial applications.

FDA Approved

Round Buna N O-Rings

Buna-N (or nitrile) O-rings create multidirectional seals between two parts in power transmissions or hydraulic/pneumatic cylinders. Made in a round profile, they resist grease and oils, as well as mild chemicals and water.

Nominal Width: 1/32 in Actual Width: 0.04 in

Round Buna N O-Rings Nominal Width: 1/32 in Actual Width: 0.04 in, sorted by Dash Number, ascending


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Nominal Width: 3/64 in Actual Width: 0.05 in

Round Buna N O-Rings Nominal Width: 3/64 in Actual Width: 0.05 in, sorted by Dash Number, ascending


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Actual Width: 0.056 in

Round Buna N O-Rings Actual Width: 0.056 in, sorted by Dash Number, ascending


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Nominal Width: 1.5 mm Actual Width: 1.5 mm

Round Buna N O-Rings Nominal Width: 1.5 mm Actual Width: 1.5 mm, sorted by Dash Number, ascending


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Nominal Width: 1/16 in Actual Width: 0.06 in

Round Buna N O-Rings Nominal Width: 1/16 in Actual Width: 0.06 in, sorted by Dash Number, ascending


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Nominal Width: 1/16 in Actual Width: 0.07 in

Round Buna N O-Rings Nominal Width: 1/16 in Actual Width: 0.07 in, sorted by Dash Number, ascending


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Nominal Width: 1.6 mm Actual Width: 1.5 mm

Round Buna N O-Rings Nominal Width: 1.6 mm Actual Width: 1.5 mm, sorted by Dash Number, ascending

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Round Buna N O-Rings

Nominal Width: 1/32 in Actual Width: 0.04 in

Nominal Width: 3/64 in Actual Width: 0.05 in

Actual Width: 0.056 in

Nominal Width: 1.5 mm Actual Width: 1.5 mm

Nominal Width: 1/16 in Actual Width: 0.06 in

Nominal Width: 1/16 in Actual Width: 0.07 in

Nominal Width: 1.6 mm Actual Width: 1.5 mm