JIS Neoprene O-Rings

OneMonroe offers high-quality neoprene O-rings that provide dependable sealing solutions for a broad range of applications. These O-rings are crafted from durable neoprene material, known for its excellent resistance to oils, greases, and many chemicals, as well as its superior durability in varying temperatures. With their outstanding physical properties, OneMonroe’s neoprene O-rings are ideally suited for use in automotive, aerospace, plumbing, and industrial applications, where effective sealing is essential for reliable performance and safety. No matter the application, OneMonroe neoprene O-rings are designed to withstand the demands of heavy use, ensuring long-lasting, leak-free performance in challenging environments.

Our neoprene O-rings are available in a range of sizes, including JIS (Japanese Industrial Standards) neoprene O-rings, to meet specific industry requirements. The JIS standard ensures consistent sizing and performance, making these O-rings an excellent choice for applications that demand precise, reliable sealing. OneMonroe understands the importance of having the right size and material to create a proper seal, which is why we offer a variety of options to suit the needs of different equipment and projects. Our O-rings are engineered for both static and dynamic applications, providing flexible, high-strength sealing solutions for everything from hydraulic systems to fuel handling.

When you choose OneMonroe neoprene O-rings, you’re investing in quality, performance, and peace of mind. We manufacture these O-rings to rigorous standards, ensuring they meet the high expectations of our customers. With exceptional resilience and chemical compatibility, OneMonroe neoprene O-rings offer a cost-effective sealing solution that enhances equipment efficiency and longevity. Rely on OneMonroe’s expertise and commitment to quality to deliver the reliable O-rings you need for critical applications in any industry.

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

P175 C-70	N/A 179556	N/A JIS Standard O-Ring	N/A Neoprene	N/A 0.331 in8.40 mm	N/A 70	N/A 174.50 mm6.870 in	N/A 0.006 in0.18 mm	N/A 0.024 in0.60 mm	N/A P-175
P18 C-70	N/A 179557	N/A JIS Standard O-Ring	N/A Neoprene	N/A 0.094 in2.40 mm	N/A 70	N/A 17.80 mm0.701 in	N/A 0.003 in0.09 mm	N/A 0.005 in0.12 mm	N/A P-18
P180 C-70	N/A 179558	N/A JIS Standard O-Ring	N/A Neoprene	N/A 0.331 in8.40 mm	N/A 70	N/A 179.50 mm7.067 in	N/A 0.006 in0.18 mm	N/A 0.024 in0.60 mm	N/A P-180
P185 C-70	N/A 179559	N/A JIS Standard O-Ring	N/A Neoprene	N/A 0.331 in8.40 mm	N/A 70	N/A 184.50 mm7.264 in	N/A 0.006 in0.18 mm	N/A 0.031 in0.80 mm	N/A P-185
P190 C-70	N/A 179560	N/A JIS Standard O-Ring	N/A Neoprene	N/A 0.331 in8.40 mm	N/A 70	N/A 189.50 mm7.461 in	N/A 0.006 in0.18 mm	N/A 0.031 in0.80 mm	N/A P-190
P195 C-70	N/A 179561	N/A JIS Standard O-Ring	N/A Neoprene	N/A 0.331 in8.40 mm	N/A 70	N/A 194.50 mm7.657 in	N/A 0.006 in0.18 mm	N/A 0.031 in0.80 mm	N/A P-195
P20 C-70	N/A 179562	N/A JIS Standard O-Ring	N/A Neoprene	N/A 0.094 in2.40 mm	N/A 70	N/A 19.80 mm0.780 in	N/A 0.003 in0.09 mm	N/A 0.006 in0.15 mm	N/A P-20
P200 C-70	N/A 179563	N/A JIS Standard O-Ring	N/A Neoprene	N/A 0.331 in8.40 mm	N/A 70	N/A 199.5 mm7.854 in	N/A 0.006 in0.18 mm	N/A 0.031 in0.80 mm	N/A P-200
P205 C-70	N/A 179564	N/A JIS Standard O-Ring	N/A Neoprene	N/A 0.331 in8.40 mm	N/A 70	N/A 204.5 mm8.051 in	N/A 0.006 in0.18 mm	N/A 0.031 in0.80 mm	N/A P-205
P209 C-70	N/A 179565	N/A JIS Standard O-Ring	N/A Neoprene	N/A 0.331 in8.40 mm	N/A 70	N/A 208.5 mm8.209 in	N/A 0.006 in0.18 mm	N/A 0.031 in0.80 mm	N/A P-209
P21 C-70	N/A 179566	N/A JIS Standard O-Ring	N/A Neoprene	N/A 0.094 in2.40 mm	N/A 70	N/A 20.80 mm0.819 in	N/A 0.003 in0.09 mm	N/A 0.006 in0.15 mm	N/A P-21
P210 C-70	N/A 179567	N/A JIS Standard O-Ring	N/A Neoprene	N/A 0.331 in8.40 mm	N/A 70	N/A 209.5 mm8.248 in	N/A 0.006 in0.18 mm	N/A 0.031 in0.80 mm	N/A P-210
P215 C-70	N/A 179568	N/A JIS Standard O-Ring	N/A Neoprene	N/A 0.331 in8.40 mm	N/A 70	N/A 214.5 mm8.445 in	N/A 0.006 in0.18 mm	N/A 0.031 in0.80 mm	N/A P-215
P22 C-70	N/A 179569	N/A JIS Standard O-Ring	N/A Neoprene	N/A 0.094 in2.40 mm	N/A 70	N/A 21.80 mm0.858 in	N/A 0.003 in0.09 mm	N/A 0.006 in0.15 mm	N/A P-22
P22.4 C-70	N/A 179570	N/A JIS Standard O-Ring	N/A Neoprene	N/A 0.138 in3.50 mm	N/A 70	N/A 22.10 mm0.870 in	N/A 0.004 in0.10 mm	N/A 0.006 in0.15 mm	N/A P-22.4
P220 C-70	N/A 179571	N/A JIS Standard O-Ring	N/A Neoprene	N/A 0.331 in8.40 mm	N/A 70	N/A 219.5 mm8.642 in	N/A 0.006 in0.18 mm	N/A 0.031 in0.80 mm	N/A P-220
P225 C-70	N/A 179572	N/A JIS Standard O-Ring	N/A Neoprene	N/A 0.331 in8.40 mm	N/A 70	N/A 224.5 mm8.839 in	N/A 0.006 in0.18 mm	N/A 0.031 in0.80 mm	N/A P-225
P22A C-70	N/A 179573	N/A JIS Standard O-Ring	N/A Neoprene	N/A 0.138 in3.50 mm	N/A 70	N/A 21.70 mm0.854 in	N/A 0.004 in0.10 mm	N/A 0.006 in0.15 mm	N/A P-22A
P230 C-70	N/A 179574	N/A JIS Standard O-Ring	N/A Neoprene	N/A 0.331 in8.40 mm	N/A 70	N/A 229.5 mm9.035 in	N/A 0.006 in0.18 mm	N/A 0.031 in0.80 mm	N/A P-230
P235 C-70	N/A 179575	N/A JIS Standard O-Ring	N/A Neoprene	N/A 0.331 in8.40 mm	N/A 70	N/A 234.5 mm9.232 in	N/A 0.006 in0.18 mm	N/A 0.031 in0.80 mm	N/A P-235
P24 C-70	N/A 179576	N/A JIS Standard O-Ring	N/A Neoprene	N/A 0.138 in3.50 mm	N/A 70	N/A 23.70 mm0.933 in	N/A 0.004 in0.10 mm	N/A 0.006 in0.15 mm	N/A P-24
P240 C-70	N/A 179577	N/A JIS Standard O-Ring	N/A Neoprene	N/A 0.331 in8.40 mm	N/A 70	N/A 239.5 mm9.429 in	N/A 0.006 in0.18 mm	N/A 0.031 in0.80 mm	N/A P-240
P245 C-70	N/A 179578	N/A JIS Standard O-Ring	N/A Neoprene	N/A 0.331 in8.40 mm	N/A 70	N/A 244.5 mm9.626 in	N/A 0.006 in0.18 mm	N/A 0.031 in0.80 mm	N/A P-245
P25 C-70	N/A 179579	N/A JIS Standard O-Ring	N/A Neoprene	N/A 0.138 in3.50 mm	N/A 70	N/A 24.70 mm0.972 in	N/A 0.004 in0.10 mm	N/A 0.006 in0.15 mm	N/A P-25
P25.5 C-70	N/A 179580	N/A JIS Standard O-Ring	N/A Neoprene	N/A 0.138 in3.50 mm	N/A 70	N/A 25.20 mm0.992 in	N/A 0.004 in0.10 mm	N/A 0.006 in0.15 mm	N/A P-25.5

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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