JIS Silicone O-Rings

OneMonroe's JIS Silicone O-Rings are engineered to provide exceptional sealing performance in the most demanding applications. Crafted from high-quality silicone material, these O-rings are designed to withstand extreme temperatures, pressures, and chemical exposures, making them ideal for use in various industrial sectors, including automotive, aerospace, medical, and food processing. Their robust construction ensures a dependable seal that prevents leaks and protects equipment, providing long-lasting durability and reliability. With compliance to Japanese Industrial Standards (JIS), these O-rings offer precise dimensions and compatibility with a wide range of machinery and equipment, ensuring seamless integration in critical systems.

The unique properties of silicone make these O-rings an excellent choice for challenging environments. Silicone offers outstanding resistance to oxidation, UV light, and ozone, as well as flexibility across a broad temperature range. These qualities enable OneMonroe JIS Silicone O-Rings to perform reliably in both high-heat and low-temperature applications, without losing elasticity or shape. Whether you are working in freezing cold or intense heat, these O-rings maintain their integrity, providing consistent performance that helps to reduce maintenance and downtime for your equipment.

In addition to superior material quality, OneMonroe places a strong emphasis on product consistency and reliability. Each JIS Silicone O-Ring undergoes rigorous quality control to ensure it meets both JIS standards and our own stringent specifications. This attention to detail ensures that customers receive products they can trust for critical sealing applications. With our extensive range of sizes and dimensions, OneMonroe JIS Silicone O-Rings are a versatile solution that adapts to various needs, supporting efficiency, safety, and reliability in your systems. Choose OneMonroe for a high-performance, industry-compliant sealing solution you can depend on.

For more information, please see: Comparison Properties Chart, PTFE Encapsulated O-rings, Material Shelf Life, and O-ring Groove Design Chart.

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Inside Diameter (in)

Item #	IntegrationID	Type	Material	Cross Section Width	Durometer	Inside Diameter	CSW Tolerance	ID Tolerance	JIS Number

S70 S-70	N/A 180486	N/A JIS Standard O-Ring	N/A Silicone	N/A 0.079 in2.00 mm	N/A 70	N/A 69.5 mm2.736 in	N/A 0.004 in0.09 mm	N/A 0.01 in0.25 mm	N/A S-70
S71 S-70	N/A 180487	N/A JIS Standard O-Ring	N/A Silicone	N/A 0.079 in2.00 mm	N/A 70	N/A 70.50 mm2.776 in	N/A 0.004 in0.09 mm	N/A 0.016 in0.40 mm	N/A S-71
S75 S-70	N/A 180488	N/A JIS Standard O-Ring	N/A Silicone	N/A 0.079 in2.00 mm	N/A 70	N/A 74.50 mm2.933 in	N/A 0.004 in0.09 mm	N/A 0.016 in0.40 mm	N/A S-75
S8 S-70	N/A 180489	N/A JIS Standard O-Ring	N/A Silicone	N/A 0.059 in1.50 mm	N/A 70	N/A 7.50 mm0.295 in	N/A 0.004 in0.08 mm	N/A 0.006 in0.15 mm	N/A S-8
S80 S-70	N/A 180490	N/A JIS Standard O-Ring	N/A Silicone	N/A 0.079 in2.00 mm	N/A 70	N/A 79.50 mm3.130 in	N/A 0.004 in0.09 mm	N/A 0.016 in0.40 mm	N/A S-80
S85 S-70	N/A 180491	N/A JIS Standard O-Ring	N/A Silicone	N/A 0.079 in2.00 mm	N/A 70	N/A 84.50 mm3.327 in	N/A 0.004 in0.09 mm	N/A 0.016 in0.40 mm	N/A S-85
S9 S-70	N/A 180492	N/A JIS Standard O-Ring	N/A Silicone	N/A 0.059 in1.50 mm	N/A 70	N/A 8.50 mm0.335 in	N/A 0.004 in0.08 mm	N/A 0.006 in0.15 mm	N/A S-9
S90 S-70	N/A 180493	N/A JIS Standard O-Ring	N/A Silicone	N/A 0.079 in2.00 mm	N/A 70	N/A 89.50 mm3.524 in	N/A 0.004 in0.09 mm	N/A 0.016 in0.40 mm	N/A S-90
S95 S-70	N/A 180494	N/A JIS Standard O-Ring	N/A Silicone	N/A 0.079 in2.00 mm	N/A 70	N/A 94.50 mm3.720 in	N/A 0.004 in0.09 mm	N/A 0.016 in0.40 mm	N/A S-95
V100 S-70	N/A 180495	N/A JIS Standard O-Ring	N/A Silicone	N/A 0.157 in4.00 mm	N/A 70	N/A 99.00 mm3.898 in	N/A 0.004 in0.13 mm	N/A 0.016 in0.40 mm	N/A V-100
V1055 S-70	N/A 180496	N/A JIS Standard O-Ring	N/A Silicone	N/A 0.394 in10.00 mm	N/A 70	N/A 1044.00 mm41.102 in	N/A 0.012 in0.22 mm	N/A 0.118 in3.00 mm	N/A V-1055
V120 S-70	N/A 180497	N/A JIS Standard O-Ring	N/A Silicone	N/A 0.157 in4.00 mm	N/A 70	N/A 119.00 mm4.685 in	N/A 0.004 in0.13 mm	N/A 0.016 in0.40 mm	N/A V-120
V15 S-70	N/A 180498	N/A JIS Standard O-Ring	N/A Silicone	N/A 0.157 in4.00 mm	N/A 70	N/A 14.5 mm0.571 in	N/A 0.004 in0.13 mm	N/A 0.006 in0.15 mm	N/A V-15
V150 S-70	N/A 180499	N/A JIS Standard O-Ring	N/A Silicone	N/A 0.157 in4.00 mm	N/A 70	N/A 148.50 mm5.846 in	N/A 0.004 in0.13 mm	N/A 0.024 in0.60 mm	N/A V-150
V175 S-70	N/A 180500	N/A JIS Standard O-Ring	N/A Silicone	N/A 0.157 in4.00 mm	N/A 70	N/A 173.00 mm6.811 in	N/A 0.004 in0.13 mm	N/A 0.024 in0.60 mm	N/A V-175
V225 S-70	N/A 180501	N/A JIS Standard O-Ring	N/A Silicone	N/A 0.236 in6.00 mm	N/A 70	N/A 222.5 mm8.760 in	N/A 0.006 in0.15 mm	N/A 0.031 in0.80 mm	N/A V-225
V24 S-70	N/A 180502	N/A JIS Standard O-Ring	N/A Silicone	N/A 0.157 in4.00 mm	N/A 70	N/A 23.5 mm0.925 in	N/A 0.004 in0.13 mm	N/A 0.006 in0.15 mm	N/A V-24
V275 S-70	N/A 180503	N/A JIS Standard O-Ring	N/A Silicone	N/A 0.236 in6.00 mm	N/A 70	N/A 272 mm10.709 in	N/A 0.006 in0.15 mm	N/A 0.031 in0.80 mm	N/A V-275
V325 S-70	N/A 180504	N/A JIS Standard O-Ring	N/A Silicone	N/A 0.236 in6.00 mm	N/A 70	N/A 321.50 mm12.657 in	N/A 0.006 in0.15 mm	N/A 0.039 in1.00 mm	N/A V-325
V34 S-70	N/A 180505	N/A JIS Standard O-Ring	N/A Silicone	N/A 0.157 in4.00 mm	N/A 70	N/A 33.50 mm1.319 in	N/A 0.004 in0.13 mm	N/A 0.006 in0.15 mm	N/A V-34
V380 S-70	N/A 180506	N/A JIS Standard O-Ring	N/A Silicone	N/A 0.236 in6.00 mm	N/A 70	N/A 376.00 mm14.803 in	N/A 0.006 in0.15 mm	N/A 0.039 in1.00 mm	N/A V-380
V40 S-70	N/A 180507	N/A JIS Standard O-Ring	N/A Silicone	N/A 0.157 in4.00 mm	N/A 70	N/A 39.50 mm1.555 in	N/A 0.004 in0.13 mm	N/A 0.006 in0.15 mm	N/A V-40
V430 S-70	N/A 180508	N/A JIS Standard O-Ring	N/A Silicone	N/A 0.236 in6.00 mm	N/A 70	N/A 425.5 mm16.752 in	N/A 0.006 in0.15 mm	N/A 0.047 in1.20 mm	N/A V-430
V480 S-70	N/A 180509	N/A JIS Standard O-Ring	N/A Silicone	N/A 0.394 in10.00 mm	N/A 70	N/A 475.00 mm18.701 in	N/A 0.012 in0.22 mm	N/A 0.047 in1.20 mm	N/A V-480
V530 S-70	N/A 180510	N/A JIS Standard O-Ring	N/A Silicone	N/A 0.394 in10.00 mm	N/A 70	N/A 524.5 mm20.650 in	N/A 0.012 in0.22 mm	N/A 0.063 in1.60 mm	N/A V-530

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No Preference
10.70
10.80
101.60
104.40
104.50
104.60
1044.00
109.40
109.50
109.60
11.00
11.50
11.80
111.50
111.60
114.40
114.50
114.60
119.00
119.40
119.50
119.60
12.00
12.30
124.40
124.50
124.60
129.40
129.50
129.60
13.50
13.80
131.50
131.6
134.40
134.50
134.60
139.40
139.50
139.60
14.5
14.80
144.40
144.50
144.60
148.50
149.30
149.50
149.6
15.50
15.80
154.30
154.50
159.30
159.50
164.30
164.50
169.30
169.50
17.50
17.80
173.00
174.30
174.50
179.30
179.50
184.30
184.50
189.30
189.50
19.50
19.80
194.30
194.50
199.3
199.5
2.50
20.80
204.5
208.5
209.3
209.5
21.50
21.70
21.80
21.90
214.5
219.3
219.5
22.10
222.5
224.5
229.3
229.5
23.5
23.70
234.5
239.3
239.5
24.40
24.50
24.70
244.5
249.3
249.5
25.20
25.50
25.70
254.3
254.5
259.3
259.5
264.5
269.3
269.5
27.50
27.70
272
274.50
279.30
279.50
28.50
28.70
284.50
289.30
289.50
29.20
29.40
29.50
29.70
294.50
299.30
299.50
3.50
3.80
30.70
31.00
31.20
31.50
31.70
314.50
319.50
321.50
33.50
33.70
334.50
339.50
34.40
34.50
34.70
35.00
35.20
35.50
35.70
354.50
359.50
37.50
37.70
374.50
376.00
38.50
38.70
384.50
39.40
39.50
39.70
399.5
4.50
4.80
40.70
41.50
41.70
425.5
43.50
43.70
44.40
44.50
44.70
45.5
45.70
47.50
47.60
47.70
475.00
48.70
49.40
49.50
49.60
49.70
5.50
5.80
51.60
52.50
52.6
524.5
54.40
54.50
54.60
55.50
55.60
57.60
579.00
59.4
59.50
59.6
6.50
6.80
61.60
62.50
62.60
633.5
64.40
64.5
64.60
66.50
66.60
683.00
69.00
69.4
69.5
69.6
7.50
7.80
70.50
70.60
732.50
74.40
74.50
74.60
782.00
79.40
79.50
79.60
8.50
8.80
836.50
84.00
84.40
84.50
84.60
89.40
89.50
89.60
9.50
9.80
94.40
94.50
94.60
940.50
99.00
99.40
99.50
99.60

No Preference
0.098
0.138
0.150
0.177
0.189
0.217
0.228
0.256
0.268
0.295
0.307
0.335
0.346
0.374
0.386
0.421
0.425
0.433
0.453
0.465
0.472
0.484
0.531
0.543
0.571
0.583
0.610
0.622
0.689
0.701
0.768
0.780
0.819
0.846
0.854
0.858
0.862
0.870
0.925
0.933
0.961
0.965
0.972
0.992
1.004
1.012
1.083
1.091
1.122
1.130
1.150
1.157
1.161
1.169
1.209
1.220
1.228
1.240
1.248
1.319
1.327
1.354
1.358
1.366
1.378
1.386
1.398
1.406
1.476
1.484
1.516
1.524
1.551
1.555
1.563
1.602
1.634
1.642
1.713
1.720
1.748
1.752
1.760
1.791
1.799
1.870
1.874
1.878
1.917
1.945
1.949
1.953
1.957
10.012
10.020
10.209
10.217
10.413
10.602
10.610
10.709
10.807
10.996
11.004
11.201
11.390
11.398
11.594
11.783
11.791
12.382
12.579
12.657
13.169
13.366
13.957
14.154
14.744
14.803
15.138
15.728
16.752
18.701
2.031
2.067
2.071
2.142
2.146
2.150
2.185
2.189
2.268
2.339
2.343
2.346
2.425
2.461
2.465
2.535
2.539
2.543
2.618
2.622
2.717
2.732
2.736
2.740
2.776
2.780
2.929
2.933
2.937
20.650
22.795
24.941
26.890
28.839
3.126
3.130
3.134
3.307
3.323
3.327
3.331
3.520
3.524
3.528
3.717
3.720
3.724
3.898
3.913
3.917
3.921
30.787
32.933
37.028
4.000
4.110
4.114
4.118
4.307
4.311
4.315
4.390
4.394
4.504
4.508
4.512
4.685
4.701
4.705
4.709
4.898
4.902
4.906
41.102
5.094
5.098
5.102
5.177
5.181
5.291
5.295
5.299
5.488
5.492
5.496
5.685
5.689
5.693
5.846
5.878
5.886
5.890
6.075
6.083
6.272
6.280
6.469
6.476
6.665
6.673
6.811
6.862
6.870
7.059
7.067
7.256
7.264
7.453
7.461
7.650
7.657
7.846
7.854
8.051
8.209
8.240
8.248
8.445
8.634
8.642
8.760
8.839
9.028
9.035
9.232
9.421
9.429
9.626
9.815
9.823