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
S12 S-70	N/A 180436	N/A JIS Standard O-Ring	N/A Silicone	N/A 0.059 in1.50 mm	N/A 70	N/A 11.50 mm0.453 in	N/A 0.004 in0.08 mm	N/A 0.006 in0.15 mm	N/A S-12
S12.5 S-70	N/A 180437	N/A JIS Standard O-Ring	N/A Silicone	N/A 0.059 in1.50 mm	N/A 70	N/A 12.00 mm0.472 in	N/A 0.004 in0.08 mm	N/A 0.006 in0.15 mm	N/A S-12.5
S120 S-70	N/A 180438	N/A JIS Standard O-Ring	N/A Silicone	N/A 0.079 in2.00 mm	N/A 70	N/A 119.50 mm4.705 in	N/A 0.004 in0.09 mm	N/A 0.016 in0.40 mm	N/A S-120
S125 S-70	N/A 180439	N/A JIS Standard O-Ring	N/A Silicone	N/A 0.079 in2.00 mm	N/A 70	N/A 124.50 mm4.902 in	N/A 0.004 in0.09 mm	N/A 0.016 in0.40 mm	N/A S-125
S130 S-70	N/A 180440	N/A JIS Standard O-Ring	N/A Silicone	N/A 0.079 in2.00 mm	N/A 70	N/A 129.50 mm5.098 in	N/A 0.004 in0.09 mm	N/A 0.024 in0.60 mm	N/A S-130
S132 S-70	N/A 180441	N/A JIS Standard O-Ring	N/A Silicone	N/A 0.079 in2.00 mm	N/A 70	N/A 131.50 mm5.177 in	N/A 0.004 in0.09 mm	N/A 0.024 in0.60 mm	N/A S-132
S135 S-70	N/A 180442	N/A JIS Standard O-Ring	N/A Silicone	N/A 0.079 in2.00 mm	N/A 70	N/A 134.50 mm5.295 in	N/A 0.004 in0.09 mm	N/A 0.024 in0.60 mm	N/A S-135
S14 S-70	N/A 180443	N/A JIS Standard O-Ring	N/A Silicone	N/A 0.059 in1.50 mm	N/A 70	N/A 13.50 mm0.531 in	N/A 0.004 in0.08 mm	N/A 0.006 in0.15 mm	N/A S-14
S140 S-70	N/A 180444	N/A JIS Standard O-Ring	N/A Silicone	N/A 0.079 in2.00 mm	N/A 70	N/A 139.50 mm5.492 in	N/A 0.004 in0.09 mm	N/A 0.024 in0.60 mm	N/A S-140
S145 S-70	N/A 180445	N/A JIS Standard O-Ring	N/A Silicone	N/A 0.079 in2.00 mm	N/A 70	N/A 144.50 mm5.689 in	N/A 0.004 in0.09 mm	N/A 0.024 in0.60 mm	N/A S-145
S15 S-70	N/A 180446	N/A JIS Standard O-Ring	N/A Silicone	N/A 0.059 in1.50 mm	N/A 70	N/A 14.5 mm0.571 in	N/A 0.004 in0.08 mm	N/A 0.006 in0.15 mm	N/A S-15
S150 S-70	N/A 180447	N/A JIS Standard O-Ring	N/A Silicone	N/A 0.079 in2.00 mm	N/A 70	N/A 149.50 mm5.886 in	N/A 0.004 in0.09 mm	N/A 0.024 in0.60 mm	N/A S-150
S16 S-70	N/A 180448	N/A JIS Standard O-Ring	N/A Silicone	N/A 0.059 in1.50 mm	N/A 70	N/A 15.50 mm0.610 in	N/A 0.004 in0.08 mm	N/A 0.006 in0.15 mm	N/A S-16
S18 S-70	N/A 180449	N/A JIS Standard O-Ring	N/A Silicone	N/A 0.059 in1.50 mm	N/A 70	N/A 17.50 mm0.689 in	N/A 0.004 in0.08 mm	N/A 0.006 in0.15 mm	N/A S-18
S20 S-70	N/A 180450	N/A JIS Standard O-Ring	N/A Silicone	N/A 0.059 in1.50 mm	N/A 70	N/A 19.50 mm0.768 in	N/A 0.004 in0.08 mm	N/A 0.006 in0.15 mm	N/A S-20
S22 S-70	N/A 180451	N/A JIS Standard O-Ring	N/A Silicone	N/A 0.059 in1.50 mm	N/A 70	N/A 21.50 mm0.846 in	N/A 0.004 in0.08 mm	N/A 0.006 in0.15 mm	N/A S-22
S22.4 S-70	N/A 180452	N/A JIS Standard O-Ring	N/A Silicone	N/A 0.079 in2.00 mm	N/A 70	N/A 21.90 mm0.862 in	N/A 0.004 in0.09 mm	N/A 0.006 in0.15 mm	N/A S-22.4
S24 S-70	N/A 180453	N/A JIS Standard O-Ring	N/A Silicone	N/A 0.079 in2.00 mm	N/A 70	N/A 23.5 mm0.925 in	N/A 0.004 in0.09 mm	N/A 0.006 in0.15 mm	N/A S-24
S25 S-70	N/A 180454	N/A JIS Standard O-Ring	N/A Silicone	N/A 0.079 in2.00 mm	N/A 70	N/A 24.50 mm0.965 in	N/A 0.004 in0.09 mm	N/A 0.006 in0.15 mm	N/A S-25
S26 S-70	N/A 180455	N/A JIS Standard O-Ring	N/A Silicone	N/A 0.079 in2.00 mm	N/A 70	N/A 25.50 mm1.004 in	N/A 0.004 in0.09 mm	N/A 0.006 in0.15 mm	N/A S-26
S28 S-70	N/A 180456	N/A JIS Standard O-Ring	N/A Silicone	N/A 0.079 in2.00 mm	N/A 70	N/A 27.50 mm1.083 in	N/A 0.004 in0.09 mm	N/A 0.006 in0.15 mm	N/A S-28
S29 S-70	N/A 180457	N/A JIS Standard O-Ring	N/A Silicone	N/A 0.079 in2.00 mm	N/A 70	N/A 28.50 mm1.122 in	N/A 0.004 in0.09 mm	N/A 0.006 in0.15 mm	N/A S-29
S3 S-70	N/A 180458	N/A JIS Standard O-Ring	N/A Silicone	N/A 0.059 in1.50 mm	N/A 70	N/A 2.50 mm0.098 in	N/A 0.004 in0.08 mm	N/A 0.006 in0.15 mm	N/A S-3
S30 S-70	N/A 180459	N/A JIS Standard O-Ring	N/A Silicone	N/A 0.079 in2.00 mm	N/A 70	N/A 29.50 mm1.161 in	N/A 0.004 in0.09 mm	N/A 0.006 in0.15 mm	N/A S-30
S31.5 S-70	N/A 180460	N/A JIS Standard O-Ring	N/A Silicone	N/A 0.079 in2.00 mm	N/A 70	N/A 31.00 mm1.220 in	N/A 0.004 in0.09 mm	N/A 0.006 in0.15 mm	N/A S-31.5

N/A
180436

N/A JIS Standard O-Ring

N/A Silicone

N/A 0.059 in1.50 mm

N/A 70

N/A 11.50 mm0.453 in

N/A 0.004 in0.08 mm

N/A 0.006 in0.15 mm

N/A S-12

S12.5 S-70

N/A
180437

N/A JIS Standard O-Ring

N/A Silicone

N/A 0.059 in1.50 mm

N/A 70

N/A 12.00 mm0.472 in

N/A 0.004 in0.08 mm

N/A 0.006 in0.15 mm

N/A S-12.5

S120 S-70

N/A
180438

N/A JIS Standard O-Ring

N/A Silicone

N/A 0.079 in2.00 mm

N/A 70

N/A 119.50 mm4.705 in

N/A 0.004 in0.09 mm

N/A 0.016 in0.40 mm

N/A S-120

S125 S-70

N/A
180439

N/A JIS Standard O-Ring

N/A Silicone

N/A 0.079 in2.00 mm

N/A 70

N/A 124.50 mm4.902 in

N/A 0.004 in0.09 mm

N/A 0.016 in0.40 mm

N/A S-125

S130 S-70

N/A
180440

N/A JIS Standard O-Ring

N/A Silicone

N/A 0.079 in2.00 mm

N/A 70

N/A 129.50 mm5.098 in

N/A 0.004 in0.09 mm

N/A 0.024 in0.60 mm

N/A S-130

S132 S-70

N/A
180441

N/A JIS Standard O-Ring

N/A Silicone

N/A 0.079 in2.00 mm

N/A 70

N/A 131.50 mm5.177 in

N/A 0.004 in0.09 mm

N/A 0.024 in0.60 mm

N/A S-132

S135 S-70

N/A
180442

N/A JIS Standard O-Ring

N/A Silicone

N/A 0.079 in2.00 mm

N/A 70

N/A 134.50 mm5.295 in

N/A 0.004 in0.09 mm

N/A 0.024 in0.60 mm

N/A S-135

S14 S-70

N/A
180443

N/A JIS Standard O-Ring

N/A Silicone

N/A 0.059 in1.50 mm

N/A 70

N/A 13.50 mm0.531 in

N/A 0.004 in0.08 mm

N/A 0.006 in0.15 mm

N/A S-14

S140 S-70

N/A
180444

N/A JIS Standard O-Ring

N/A Silicone

N/A 0.079 in2.00 mm

N/A 70

N/A 139.50 mm5.492 in

N/A 0.004 in0.09 mm

N/A 0.024 in0.60 mm

N/A S-140

S145 S-70

N/A
180445

N/A JIS Standard O-Ring

N/A Silicone

N/A 0.079 in2.00 mm

N/A 70

N/A 144.50 mm5.689 in

N/A 0.004 in0.09 mm

N/A 0.024 in0.60 mm

N/A S-145

S15 S-70

N/A
180446

N/A JIS Standard O-Ring

N/A Silicone

N/A 0.059 in1.50 mm

N/A 70

N/A 14.5 mm0.571 in

N/A 0.004 in0.08 mm

N/A 0.006 in0.15 mm

N/A S-15

S150 S-70

N/A
180447

N/A JIS Standard O-Ring

N/A Silicone

N/A 0.079 in2.00 mm

N/A 70

N/A 149.50 mm5.886 in

N/A 0.004 in0.09 mm

N/A 0.024 in0.60 mm

N/A S-150

S16 S-70

N/A
180448

N/A JIS Standard O-Ring

N/A Silicone

N/A 0.059 in1.50 mm

N/A 70

N/A 15.50 mm0.610 in

N/A 0.004 in0.08 mm

N/A 0.006 in0.15 mm

N/A S-16

S18 S-70

N/A
180449

N/A JIS Standard O-Ring

N/A Silicone

N/A 0.059 in1.50 mm

N/A 70

N/A 17.50 mm0.689 in

N/A 0.004 in0.08 mm

N/A 0.006 in0.15 mm

N/A S-18

S20 S-70

N/A
180450

N/A JIS Standard O-Ring

N/A Silicone

N/A 0.059 in1.50 mm

N/A 70

N/A 19.50 mm0.768 in

N/A 0.004 in0.08 mm

N/A 0.006 in0.15 mm

N/A S-20

S22 S-70

N/A
180451

N/A JIS Standard O-Ring

N/A Silicone

N/A 0.059 in1.50 mm

N/A 70

N/A 21.50 mm0.846 in

N/A 0.004 in0.08 mm

N/A 0.006 in0.15 mm

N/A S-22

S22.4 S-70

N/A
180452

N/A JIS Standard O-Ring

N/A Silicone

N/A 0.079 in2.00 mm

N/A 70

N/A 21.90 mm0.862 in

N/A 0.004 in0.09 mm

N/A 0.006 in0.15 mm

N/A S-22.4

S24 S-70

N/A
180453

N/A JIS Standard O-Ring

N/A Silicone

N/A 0.079 in2.00 mm

N/A 70

N/A 23.5 mm0.925 in

N/A 0.004 in0.09 mm

N/A 0.006 in0.15 mm

N/A S-24

S25 S-70

N/A
180454

N/A JIS Standard O-Ring

N/A Silicone

N/A 0.079 in2.00 mm

N/A 70

N/A 24.50 mm0.965 in

N/A 0.004 in0.09 mm

N/A 0.006 in0.15 mm

N/A S-25

S26 S-70

N/A
180455

N/A JIS Standard O-Ring

N/A Silicone

N/A 0.079 in2.00 mm

N/A 70

N/A 25.50 mm1.004 in

N/A 0.004 in0.09 mm

N/A 0.006 in0.15 mm

N/A S-26

S28 S-70

N/A
180456

N/A JIS Standard O-Ring

N/A Silicone

N/A 0.079 in2.00 mm

N/A 70

N/A 27.50 mm1.083 in

N/A 0.004 in0.09 mm

N/A 0.006 in0.15 mm

N/A S-28

S29 S-70

N/A
180457

N/A JIS Standard O-Ring

N/A Silicone

N/A 0.079 in2.00 mm

N/A 70

N/A 28.50 mm1.122 in

N/A 0.004 in0.09 mm

N/A 0.006 in0.15 mm

N/A S-29

S3 S-70

N/A
180458

N/A JIS Standard O-Ring

N/A Silicone

N/A 0.059 in1.50 mm

N/A 70

N/A 2.50 mm0.098 in

N/A 0.004 in0.08 mm

N/A 0.006 in0.15 mm

N/A S-3

S30 S-70

N/A
180459

N/A JIS Standard O-Ring

N/A Silicone

N/A 0.079 in2.00 mm

N/A 70

N/A 29.50 mm1.161 in

N/A 0.004 in0.09 mm

N/A 0.006 in0.15 mm

N/A S-30

S31.5 S-70

N/A
180460

N/A JIS Standard O-Ring

N/A Silicone

N/A 0.079 in2.00 mm

N/A 70

N/A 31.00 mm1.220 in

N/A 0.004 in0.09 mm

N/A 0.006 in0.15 mm

N/A S-31.5