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.

Item #	IntegrationID	Type	Material	Cross Section Width	Durometer	Inside Diameter	CSW Tolerance	ID Tolerance	JIS Number
G25 S-70	N/A 180286	N/A JIS Standard O-Ring	N/A Silicone	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 S-70	N/A 180287	N/A JIS Standard O-Ring	N/A Silicone	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 S-70	N/A 180288	N/A JIS Standard O-Ring	N/A Silicone	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 S-70	N/A 180289	N/A JIS Standard O-Ring	N/A Silicone	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 S-70	N/A 180290	N/A JIS Standard O-Ring	N/A Silicone	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 S-70	N/A 180291	N/A JIS Standard O-Ring	N/A Silicone	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 S-70	N/A 180292	N/A JIS Standard O-Ring	N/A Silicone	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 S-70	N/A 180293	N/A JIS Standard O-Ring	N/A Silicone	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 S-70	N/A 180294	N/A JIS Standard O-Ring	N/A Silicone	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 S-70	N/A 180295	N/A JIS Standard O-Ring	N/A Silicone	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 S-70	N/A 180296	N/A JIS Standard O-Ring	N/A Silicone	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 S-70	N/A 180297	N/A JIS Standard O-Ring	N/A Silicone	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 S-70	N/A 180298	N/A JIS Standard O-Ring	N/A Silicone	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 S-70	N/A 180299	N/A JIS Standard O-Ring	N/A Silicone	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 S-70	N/A 180300	N/A JIS Standard O-Ring	N/A Silicone	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 S-70	N/A 180301	N/A JIS Standard O-Ring	N/A Silicone	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 S-70	N/A 180302	N/A JIS Standard O-Ring	N/A Silicone	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 S-70	N/A 180303	N/A JIS Standard O-Ring	N/A Silicone	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 S-70	N/A 180304	N/A JIS Standard O-Ring	N/A Silicone	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 S-70	N/A 180305	N/A JIS Standard O-Ring	N/A Silicone	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 S-70	N/A 180306	N/A JIS Standard O-Ring	N/A Silicone	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 S-70	N/A 180307	N/A JIS Standard O-Ring	N/A Silicone	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 S-70	N/A 180308	N/A JIS Standard O-Ring	N/A Silicone	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 S-70	N/A 180309	N/A JIS Standard O-Ring	N/A Silicone	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 S-70	N/A 180310	N/A JIS Standard O-Ring	N/A Silicone	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

N/A
180286

N/A JIS Standard O-Ring

N/A Silicone

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 S-70

N/A
180287

N/A JIS Standard O-Ring

N/A Silicone

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 S-70

N/A
180288

N/A JIS Standard O-Ring

N/A Silicone

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 S-70

N/A
180289

N/A JIS Standard O-Ring

N/A Silicone

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 S-70

N/A
180290

N/A JIS Standard O-Ring

N/A Silicone

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 S-70

N/A
180291

N/A JIS Standard O-Ring

N/A Silicone

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 S-70

N/A
180292

N/A JIS Standard O-Ring

N/A Silicone

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 S-70

N/A
180293

N/A JIS Standard O-Ring

N/A Silicone

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 S-70

N/A
180294

N/A JIS Standard O-Ring

N/A Silicone

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 S-70

N/A
180295

N/A JIS Standard O-Ring

N/A Silicone

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 S-70

N/A
180296

N/A JIS Standard O-Ring

N/A Silicone

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 S-70

N/A
180297

N/A JIS Standard O-Ring

N/A Silicone

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 S-70

N/A
180298

N/A JIS Standard O-Ring

N/A Silicone

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 S-70

N/A
180299

N/A JIS Standard O-Ring

N/A Silicone

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 S-70

N/A
180300

N/A JIS Standard O-Ring

N/A Silicone

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 S-70

N/A
180301

N/A JIS Standard O-Ring

N/A Silicone

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 S-70

N/A
180302

N/A JIS Standard O-Ring

N/A Silicone

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 S-70

N/A
180303

N/A JIS Standard O-Ring

N/A Silicone

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 S-70

N/A
180304

N/A JIS Standard O-Ring

N/A Silicone

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 S-70

N/A
180305

N/A JIS Standard O-Ring

N/A Silicone

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 S-70

N/A
180306

N/A JIS Standard O-Ring

N/A Silicone

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 S-70

N/A
180307

N/A JIS Standard O-Ring

N/A Silicone

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 S-70

N/A
180308

N/A JIS Standard O-Ring

N/A Silicone

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 S-70

N/A
180309

N/A JIS Standard O-Ring

N/A Silicone

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 S-70

N/A
180310

N/A JIS Standard O-Ring

N/A Silicone

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