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
P175 S-70	N/A 180336	N/A JIS Standard O-Ring	N/A Silicone	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 S-70	N/A 180337	N/A JIS Standard O-Ring	N/A Silicone	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 S-70	N/A 180338	N/A JIS Standard O-Ring	N/A Silicone	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 S-70	N/A 180339	N/A JIS Standard O-Ring	N/A Silicone	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 S-70	N/A 180340	N/A JIS Standard O-Ring	N/A Silicone	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 S-70	N/A 180341	N/A JIS Standard O-Ring	N/A Silicone	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 S-70	N/A 180342	N/A JIS Standard O-Ring	N/A Silicone	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 S-70	N/A 180343	N/A JIS Standard O-Ring	N/A Silicone	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 S-70	N/A 180344	N/A JIS Standard O-Ring	N/A Silicone	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 S-70	N/A 180345	N/A JIS Standard O-Ring	N/A Silicone	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 S-70	N/A 180346	N/A JIS Standard O-Ring	N/A Silicone	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 S-70	N/A 180347	N/A JIS Standard O-Ring	N/A Silicone	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 S-70	N/A 180348	N/A JIS Standard O-Ring	N/A Silicone	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 S-70	N/A 180349	N/A JIS Standard O-Ring	N/A Silicone	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 S-70	N/A 180350	N/A JIS Standard O-Ring	N/A Silicone	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 S-70	N/A 180351	N/A JIS Standard O-Ring	N/A Silicone	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 S-70	N/A 180352	N/A JIS Standard O-Ring	N/A Silicone	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 S-70	N/A 180353	N/A JIS Standard O-Ring	N/A Silicone	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 S-70	N/A 180354	N/A JIS Standard O-Ring	N/A Silicone	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 S-70	N/A 180355	N/A JIS Standard O-Ring	N/A Silicone	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 S-70	N/A 180356	N/A JIS Standard O-Ring	N/A Silicone	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 S-70	N/A 180357	N/A JIS Standard O-Ring	N/A Silicone	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 S-70	N/A 180358	N/A JIS Standard O-Ring	N/A Silicone	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 S-70	N/A 180359	N/A JIS Standard O-Ring	N/A Silicone	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 S-70	N/A 180360	N/A JIS Standard O-Ring	N/A Silicone	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

N/A
180336

N/A JIS Standard O-Ring

N/A Silicone

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 S-70

N/A
180337

N/A JIS Standard O-Ring

N/A Silicone

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 S-70

N/A
180338

N/A JIS Standard O-Ring

N/A Silicone

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 S-70

N/A
180339

N/A JIS Standard O-Ring

N/A Silicone

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 S-70

N/A
180340

N/A JIS Standard O-Ring

N/A Silicone

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 S-70

N/A
180341

N/A JIS Standard O-Ring

N/A Silicone

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 S-70

N/A
180342

N/A JIS Standard O-Ring

N/A Silicone

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 S-70

N/A
180343

N/A JIS Standard O-Ring

N/A Silicone

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 S-70

N/A
180344

N/A JIS Standard O-Ring

N/A Silicone

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 S-70

N/A
180345

N/A JIS Standard O-Ring

N/A Silicone

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 S-70

N/A
180346

N/A JIS Standard O-Ring

N/A Silicone

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 S-70

N/A
180347

N/A JIS Standard O-Ring

N/A Silicone

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 S-70

N/A
180348

N/A JIS Standard O-Ring

N/A Silicone

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 S-70

N/A
180349

N/A JIS Standard O-Ring

N/A Silicone

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 S-70

N/A
180350

N/A JIS Standard O-Ring

N/A Silicone

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 S-70

N/A
180351

N/A JIS Standard O-Ring

N/A Silicone

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 S-70

N/A
180352

N/A JIS Standard O-Ring

N/A Silicone

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 S-70

N/A
180353

N/A JIS Standard O-Ring

N/A Silicone

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 S-70

N/A
180354

N/A JIS Standard O-Ring

N/A Silicone

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 S-70

N/A
180355

N/A JIS Standard O-Ring

N/A Silicone

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 S-70

N/A
180356

N/A JIS Standard O-Ring

N/A Silicone

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 S-70

N/A
180357

N/A JIS Standard O-Ring

N/A Silicone

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 S-70

N/A
180358

N/A JIS Standard O-Ring

N/A Silicone

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 S-70

N/A
180359

N/A JIS Standard O-Ring

N/A Silicone

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 S-70

N/A
180360

N/A JIS Standard O-Ring

N/A Silicone

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