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OneMonroe PTFE O-Rings are crafted for high-performance sealing in the most demanding applications. Made from polytetrafluoroethylene (PTFE), these O-rings are uniquely resistant to chemicals, heat, and environmental stresses, making them a versatile solution across a broad range of industries. Designed with the highest quality standards, OneMonroe PTFE O-Rings provide reliable, long-lasting seals in environments where other materials may falter. With impressive durability and adaptability, our PTFE O-Rings are suitable for use in automotive, aerospace, food processing, and industrial applications that require precise and resilient sealing.

OneMonroe offers a variety of PTFE O-Rings, including specialized JIS PTFE O-Rings, crafted to meet Japanese Industrial Standards. These JIS-compliant O-rings ensure compatibility and high performance in specialized machinery and equipment. Each PTFE O-ring is engineered to resist extreme temperatures, aggressive chemicals, and high pressures, making them ideal for use in hydraulic systems, chemical processing, and high-temperature equipment. With the chemical inertness of PTFE, our O-rings prevent degradation and contamination, delivering exceptional sealing solutions that maintain integrity over extended use.

At OneMonroe, quality is our priority. Our PTFE O-Rings undergo stringent testing and quality control to ensure consistent performance in challenging environments. In addition to standard sizes, we offer custom options to meet unique specifications, providing a tailored sealing solution for every application. Choose OneMonroe PTFE O-Rings for your sealing needs, and experience the benefits of superior material quality, industry compliance, and our commitment to durability and precision. Trust OneMonroe to deliver the high-quality sealing solutions your project demands.

For more information, please see: Comparison Properties Chart, PTFE Encapsulated O-rings, Material Shelf Life, and O-ring Groove Design Chart.

JIS O-Rings
Unit of Measure
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Item #

IntegrationID

Type

Material

Cross Section Width

Inside Diameter

CSW Tolerance

ID Tolerance

JIS Number

Quantity
S12 PTFE N/A
182256
N/A JIS Standard O-Ring N/A PTFE N/A 0.059 in1.50 mm 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 PTFE N/A
182257
N/A JIS Standard O-Ring N/A PTFE N/A 0.059 in1.50 mm 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 PTFE N/A
182258
N/A JIS Standard O-Ring N/A PTFE N/A 0.079 in2.00 mm 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 PTFE N/A
182259
N/A JIS Standard O-Ring N/A PTFE N/A 0.079 in2.00 mm 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 PTFE N/A
182260
N/A JIS Standard O-Ring N/A PTFE N/A 0.079 in2.00 mm 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 PTFE N/A
182261
N/A JIS Standard O-Ring N/A PTFE N/A 0.079 in2.00 mm 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 PTFE N/A
182262
N/A JIS Standard O-Ring N/A PTFE N/A 0.079 in2.00 mm 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 PTFE N/A
182263
N/A JIS Standard O-Ring N/A PTFE N/A 0.059 in1.50 mm 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 PTFE N/A
182264
N/A JIS Standard O-Ring N/A PTFE N/A 0.079 in2.00 mm 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 PTFE N/A
182265
N/A JIS Standard O-Ring N/A PTFE N/A 0.079 in2.00 mm 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 PTFE N/A
182266
N/A JIS Standard O-Ring N/A PTFE N/A 0.059 in1.50 mm 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 PTFE N/A
182267
N/A JIS Standard O-Ring N/A PTFE N/A 0.079 in2.00 mm 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 PTFE N/A
182268
N/A JIS Standard O-Ring N/A PTFE N/A 0.059 in1.50 mm 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 PTFE N/A
182269
N/A JIS Standard O-Ring N/A PTFE N/A 0.059 in1.50 mm 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 PTFE N/A
182270
N/A JIS Standard O-Ring N/A PTFE N/A 0.059 in1.50 mm 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 PTFE N/A
182271
N/A JIS Standard O-Ring N/A PTFE N/A 0.059 in1.50 mm 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 PTFE N/A
182272
N/A JIS Standard O-Ring N/A PTFE N/A 0.079 in2.00 mm 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 PTFE N/A
182273
N/A JIS Standard O-Ring N/A PTFE N/A 0.079 in2.00 mm 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 PTFE N/A
182274
N/A JIS Standard O-Ring N/A PTFE N/A 0.079 in2.00 mm 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 PTFE N/A
182275
N/A JIS Standard O-Ring N/A PTFE N/A 0.079 in2.00 mm 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 PTFE N/A
182276
N/A JIS Standard O-Ring N/A PTFE N/A 0.079 in2.00 mm 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 PTFE N/A
182277
N/A JIS Standard O-Ring N/A PTFE N/A 0.079 in2.00 mm 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 PTFE N/A
182278
N/A JIS Standard O-Ring N/A PTFE N/A 0.059 in1.50 mm 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 PTFE N/A
182279
N/A JIS Standard O-Ring N/A PTFE N/A 0.079 in2.00 mm 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 PTFE N/A
182280
N/A JIS Standard O-Ring N/A PTFE N/A 0.079 in2.00 mm 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
Unit of Measure
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