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

G25 C-70	N/A 179506	N/A JIS Standard O-Ring	N/A Neoprene	N/A 0.122 in3.10 mm	N/A 70	N/A 24.40 mm0.961 in	N/A 0.004 in0.10 mm	N/A 0.006 in0.15 mm	N/A G-25
G250 C-70	N/A 179507	N/A JIS Standard O-Ring	N/A Neoprene	N/A 0.224 in5.70 mm	N/A 70	N/A 249.3 mm9.815 in	N/A 0.006 in0.15 mm	N/A 0.031 in0.80 mm	N/A G-250
G255 C-70	N/A 179508	N/A JIS Standard O-Ring	N/A Neoprene	N/A 0.224 in5.70 mm	N/A 70	N/A 254.3 mm10.012 in	N/A 0.006 in0.15 mm	N/A 0.031 in0.80 mm	N/A G-255
G260 C-70	N/A 179509	N/A JIS Standard O-Ring	N/A Neoprene	N/A 0.224 in5.70 mm	N/A 70	N/A 259.3 mm10.209 in	N/A 0.006 in0.15 mm	N/A 0.031 in0.80 mm	N/A G-260
G270 C-70	N/A 179510	N/A JIS Standard O-Ring	N/A Neoprene	N/A 0.224 in5.70 mm	N/A 70	N/A 269.3 mm10.602 in	N/A 0.006 in0.15 mm	N/A 0.031 in0.80 mm	N/A G-270
G280 C-70	N/A 179511	N/A JIS Standard O-Ring	N/A Neoprene	N/A 0.224 in5.70 mm	N/A 70	N/A 279.30 mm10.996 in	N/A 0.006 in0.15 mm	N/A 0.031 in0.80 mm	N/A G-280
G290 C-70	N/A 179512	N/A JIS Standard O-Ring	N/A Neoprene	N/A 0.224 in5.70 mm	N/A 70	N/A 289.30 mm11.390 in	N/A 0.006 in0.15 mm	N/A 0.031 in0.80 mm	N/A G-290
G30 C-70	N/A 179513	N/A JIS Standard O-Ring	N/A Neoprene	N/A 0.122 in3.10 mm	N/A 70	N/A 29.40 mm1.157 in	N/A 0.004 in0.10 mm	N/A 0.006 in0.15 mm	N/A G-30
G300 C-70	N/A 179514	N/A JIS Standard O-Ring	N/A Neoprene	N/A 0.224 in5.70 mm	N/A 70	N/A 299.30 mm11.783 in	N/A 0.006 in0.15 mm	N/A 0.031 in0.80 mm	N/A G-300
G35 C-70	N/A 179515	N/A JIS Standard O-Ring	N/A Neoprene	N/A 0.122 in3.10 mm	N/A 70	N/A 34.40 mm1.354 in	N/A 0.004 in0.10 mm	N/A 0.006 in0.15 mm	N/A G-35
G40 C-70	N/A 179516	N/A JIS Standard O-Ring	N/A Neoprene	N/A 0.122 in3.10 mm	N/A 70	N/A 39.40 mm1.551 in	N/A 0.004 in0.10 mm	N/A 0.006 in0.15 mm	N/A G-40
G45 C-70	N/A 179517	N/A JIS Standard O-Ring	N/A Neoprene	N/A 0.122 in3.10 mm	N/A 70	N/A 44.40 mm1.748 in	N/A 0.004 in0.10 mm	N/A 0.01 in0.25 mm	N/A G-45
G50 C-70	N/A 179518	N/A JIS Standard O-Ring	N/A Neoprene	N/A 0.122 in3.10 mm	N/A 70	N/A 49.40 mm1.945 in	N/A 0.004 in0.10 mm	N/A 0.01 in0.25 mm	N/A G-50
G55 C-70	N/A 179519	N/A JIS Standard O-Ring	N/A Neoprene	N/A 0.122 in3.10 mm	N/A 70	N/A 54.40 mm2.142 in	N/A 0.004 in0.10 mm	N/A 0.01 in0.25 mm	N/A G-55
G60 C-70	N/A 179520	N/A JIS Standard O-Ring	N/A Neoprene	N/A 0.122 in3.10 mm	N/A 70	N/A 59.4 mm2.339 in	N/A 0.004 in0.10 mm	N/A 0.01 in0.25 mm	N/A G-60
G65 C-70	N/A 179521	N/A JIS Standard O-Ring	N/A Neoprene	N/A 0.122 in3.10 mm	N/A 70	N/A 64.40 mm2.535 in	N/A 0.004 in0.10 mm	N/A 0.01 in0.25 mm	N/A G-65
G70 C-70	N/A 179522	N/A JIS Standard O-Ring	N/A Neoprene	N/A 0.122 in3.10 mm	N/A 70	N/A 69.4 mm2.732 in	N/A 0.004 in0.10 mm	N/A 0.01 in0.25 mm	N/A G-70
G75 C-70	N/A 179523	N/A JIS Standard O-Ring	N/A Neoprene	N/A 0.122 in3.10 mm	N/A 70	N/A 74.40 mm2.929 in	N/A 0.004 in0.10 mm	N/A 0.016 in0.40 mm	N/A G-75
G80 C-70	N/A 179524	N/A JIS Standard O-Ring	N/A Neoprene	N/A 0.122 in3.10 mm	N/A 70	N/A 79.40 mm3.126 in	N/A 0.004 in0.10 mm	N/A 0.016 in0.40 mm	N/A G-80
G85 C-70	N/A 179525	N/A JIS Standard O-Ring	N/A Neoprene	N/A 0.122 in3.10 mm	N/A 70	N/A 84.40 mm3.323 in	N/A 0.004 in0.10 mm	N/A 0.016 in0.40 mm	N/A G-85
G90 C-70	N/A 179526	N/A JIS Standard O-Ring	N/A Neoprene	N/A 0.122 in3.10 mm	N/A 70	N/A 89.40 mm3.520 in	N/A 0.004 in0.10 mm	N/A 0.016 in0.40 mm	N/A G-90
G95 C-70	N/A 179527	N/A JIS Standard O-Ring	N/A Neoprene	N/A 0.122 in3.10 mm	N/A 70	N/A 94.40 mm3.717 in	N/A 0.004 in0.10 mm	N/A 0.016 in0.40 mm	N/A G-95
P10 C-70	N/A 179528	N/A JIS Standard O-Ring	N/A Neoprene	N/A 0.075 in1.90 mm	N/A 70	N/A 9.80 mm0.386 in	N/A 0.003 in0.09 mm	N/A 0.005 in0.12 mm	N/A P-10
P100 C-70	N/A 179529	N/A JIS Standard O-Ring	N/A Neoprene	N/A 0.224 in5.70 mm	N/A 70	N/A 99.60 mm3.921 in	N/A 0.006 in0.15 mm	N/A 0.016 in0.40 mm	N/A P-100
P102 C-70	N/A 179530	N/A JIS Standard O-Ring	N/A Neoprene	N/A 0.224 in5.70 mm	N/A 70	N/A 101.60 mm4.000 in	N/A 0.006 in0.15 mm	N/A 0.016 in0.40 mm	N/A P-102

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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