Monroe
OneMonroe
Locations Throughout the Country
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Tel: (877) 740-2007
Fax: (800) 453-9683
Email: sales@askmonroe.com
Website: monroeengineering.com
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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
P35.5 PTFE N/A
182206 		N/A JIS Standard O-Ring N/A PTFE N/A 0.138 in3.50 mm N/A 35.20 mm1.386 in N/A 0.004 in0.10 mm N/A 0.006 in0.15 mm N/A P-35.5
P355 PTFE N/A
182207 		N/A JIS Standard O-Ring N/A PTFE N/A 0.331 in8.40 mm N/A 354.50 mm13.957 in N/A 0.006 in0.18 mm N/A 0.039 in1.00 mm N/A P-355
P36 PTFE N/A
182208 		N/A JIS Standard O-Ring N/A PTFE N/A 0.138 in3.50 mm N/A 35.70 mm1.406 in N/A 0.004 in0.10 mm N/A 0.006 in0.15 mm N/A P-36
P360 PTFE N/A
182209 		N/A JIS Standard O-Ring N/A PTFE N/A 0.331 in8.40 mm N/A 359.50 mm14.154 in N/A 0.006 in0.18 mm N/A 0.039 in1.00 mm N/A P-360
P375 PTFE N/A
182210 		N/A JIS Standard O-Ring N/A PTFE N/A 0.331 in8.40 mm N/A 374.50 mm14.744 in N/A 0.006 in0.18 mm N/A 0.039 in1.00 mm N/A P-375
P38 PTFE N/A
182211 		N/A JIS Standard O-Ring N/A PTFE N/A 0.138 in3.50 mm N/A 37.70 mm1.484 in N/A 0.004 in0.10 mm N/A 0.006 in0.15 mm N/A P-38
P385 PTFE N/A
182212 		N/A JIS Standard O-Ring N/A PTFE N/A 0.331 in8.40 mm N/A 384.50 mm15.138 in N/A 0.006 in0.18 mm N/A 0.039 in1.00 mm N/A P-385
P39 PTFE N/A
182213 		N/A JIS Standard O-Ring N/A PTFE N/A 0.138 in3.50 mm N/A 38.70 mm1.524 in N/A 0.004 in0.10 mm N/A 0.006 in0.15 mm N/A P-39
P4 PTFE N/A
182214 		N/A JIS Standard O-Ring N/A PTFE N/A 0.075 in1.90 mm N/A 3.80 mm0.150 in N/A 0.003 in0.09 mm N/A 0.005 in0.12 mm N/A P-4
P40 PTFE N/A
182215 		N/A JIS Standard O-Ring N/A PTFE N/A 0.138 in3.50 mm N/A 39.70 mm1.563 in N/A 0.004 in0.10 mm N/A 0.006 in0.15 mm N/A P-40
P400 PTFE N/A
182216 		N/A JIS Standard O-Ring N/A PTFE N/A 0.331 in8.40 mm N/A 399.5 mm15.728 in N/A 0.006 in0.18 mm N/A 0.039 in1.00 mm N/A P-400
P41 PTFE N/A
182217 		N/A JIS Standard O-Ring N/A PTFE N/A 0.138 in3.50 mm N/A 40.70 mm1.602 in N/A 0.004 in0.10 mm N/A 0.01 in0.25 mm N/A P-41
P42 PTFE N/A
182218 		N/A JIS Standard O-Ring N/A PTFE N/A 0.138 in3.50 mm N/A 41.70 mm1.642 in N/A 0.004 in0.10 mm N/A 0.01 in0.25 mm N/A P-42
P44 PTFE N/A
182219 		N/A JIS Standard O-Ring N/A PTFE N/A 0.138 in3.50 mm N/A 43.70 mm1.720 in N/A 0.004 in0.10 mm N/A 0.01 in0.25 mm N/A P-44
P45 PTFE N/A
182220 		N/A JIS Standard O-Ring N/A PTFE N/A 0.138 in3.50 mm N/A 44.70 mm1.760 in N/A 0.004 in0.10 mm N/A 0.01 in0.25 mm N/A P-45
P46 PTFE N/A
182221 		N/A JIS Standard O-Ring N/A PTFE N/A 0.138 in3.50 mm N/A 45.70 mm1.799 in N/A 0.004 in0.10 mm N/A 0.01 in0.25 mm N/A P-46
P48 PTFE N/A
182222 		N/A JIS Standard O-Ring N/A PTFE N/A 0.138 in3.50 mm N/A 47.70 mm1.878 in N/A 0.004 in0.10 mm N/A 0.01 in0.25 mm N/A P-48
P48A PTFE N/A
182223 		N/A JIS Standard O-Ring N/A PTFE N/A 0.224 in5.70 mm N/A 47.60 mm1.874 in N/A 0.006 in0.15 mm N/A 0.01 in0.25 mm N/A P-48A
P49 PTFE N/A
182224 		N/A JIS Standard O-Ring N/A PTFE N/A 0.138 in3.50 mm N/A 48.70 mm1.917 in N/A 0.004 in0.10 mm N/A 0.01 in0.25 mm N/A P-49
P5 PTFE N/A
182225 		N/A JIS Standard O-Ring N/A PTFE N/A 0.075 in1.90 mm N/A 4.80 mm0.189 in N/A 0.003 in0.09 mm N/A 0.005 in0.12 mm N/A P-5
P50 PTFE N/A
182226 		N/A JIS Standard O-Ring N/A PTFE N/A 0.138 in3.50 mm N/A 49.70 mm1.957 in N/A 0.004 in0.10 mm N/A 0.01 in0.25 mm N/A P-50
P50A PTFE N/A
182227 		N/A JIS Standard O-Ring N/A PTFE N/A 0.224 in5.70 mm N/A 49.60 mm1.953 in N/A 0.006 in0.15 mm N/A 0.01 in0.25 mm N/A P-50A
P52 PTFE N/A
182228 		N/A JIS Standard O-Ring N/A PTFE N/A 0.224 in5.70 mm N/A 51.60 mm2.031 in N/A 0.006 in0.15 mm N/A 0.01 in0.25 mm N/A P-52
P53 PTFE N/A
182229 		N/A JIS Standard O-Ring N/A PTFE N/A 0.224 in5.70 mm N/A 52.6 mm2.071 in N/A 0.006 in0.15 mm N/A 0.01 in0.25 mm N/A P-53
P55 PTFE N/A
182230 		N/A JIS Standard O-Ring N/A PTFE N/A 0.224 in5.70 mm N/A 54.60 mm2.150 in N/A 0.006 in0.15 mm N/A 0.01 in0.25 mm N/A P-55
Unit of Measure
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