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OneMonroe Metric Silicone O-Rings provide an exceptional sealing solution for various industrial, commercial, and residential applications. These O-rings are engineered to withstand high temperatures and extreme environments, making them ideal for use in applications where reliability and durability are essential. Made from premium silicone, they offer superior flexibility, ensuring a tight seal even under fluctuating pressure or temperature conditions. The metric sizing further enhances their suitability for precision applications, providing a snug fit that prevents leaks and protects sensitive components from contaminants.

Our metric silicone O-rings are trusted in industries such as automotive, aerospace, medical, and manufacturing due to their excellent resistance to temperature variations, weathering, and chemical exposure. The silicone material used in OneMonroe O-rings not only maintains its elasticity over time but also performs exceptionally well in both high- and low-temperature settings. With this durability, OneMonroe Metric Silicone O-Rings are ideal for applications involving extreme temperatures, whether in engine systems, HVAC units, or electronic devices, making them a reliable choice for both routine and specialized uses.

At OneMonroe, we prioritize quality and customer satisfaction by delivering O-rings that meet stringent manufacturing standards. Our metric silicone O-rings undergo rigorous quality checks, ensuring each product maintains consistent dimensional accuracy and performance. Available in various sizes, these O-rings are designed to meet the exact specifications of your project requirements. Whether you need a bulk supply for industrial production or just a few for small-scale applications, OneMonroe Metric Silicone O-Rings are the dependable choice for any application that demands precision, resilience, and reliable sealing.

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

Metric O-Rings
Unit of Measure
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Item #

IntegrationID

Type

Material

Cross Reference

Cross Section Width

Durometer

Inside Diameter

Product Guides

Quantity
328 X 3.5 S-70 N/A
135144
N/A Metric Standard O-Ring N/A Silicone N/A N/A 3.50 mm N/A 70 N/A 328.00 mm N/A Seal Guides
329 X 3.5 S-70 N/A
135145
N/A Metric Standard O-Ring N/A Silicone N/A N/A 3.50 mm N/A 70 N/A 329.00 mm N/A Seal Guides
330 X 3.5 S-70 N/A
135146
N/A Metric Standard O-Ring N/A Silicone N/A N/A 3.50 mm N/A 70 N/A 330.00 mm N/A Seal Guides
331 X 3.5 S-70 N/A
135147
N/A Metric Standard O-Ring N/A Silicone N/A N/A 3.50 mm N/A 70 N/A 331.00 mm N/A Seal Guides
332 X 3.5 S-70 N/A
135148
N/A Metric Standard O-Ring N/A Silicone N/A N/A 3.50 mm N/A 70 N/A 332.00 mm N/A Seal Guides
333 X 3.5 S-70 N/A
135149
N/A Metric Standard O-Ring N/A Silicone N/A N/A 3.50 mm N/A 70 N/A 333.00 mm N/A Seal Guides
334 X 3.5 S-70 N/A
135150
N/A Metric Standard O-Ring N/A Silicone N/A N/A 3.50 mm N/A 70 N/A 334.00 mm N/A Seal Guides
335 X 3.5 S-70 N/A
135151
N/A Metric Standard O-Ring N/A Silicone N/A N/A 3.50 mm N/A 70 N/A 335.00 mm N/A Seal Guides
336 X 3.5 S-70 N/A
135152
N/A Metric Standard O-Ring N/A Silicone N/A N/A 3.50 mm N/A 70 N/A 336.00 mm N/A Seal Guides
337 X 3.5 S-70 N/A
135153
N/A Metric Standard O-Ring N/A Silicone N/A N/A 3.50 mm N/A 70 N/A 337.00 mm N/A Seal Guides
338 X 3.5 S-70 N/A
135154
N/A Metric Standard O-Ring N/A Silicone N/A N/A 3.50 mm N/A 70 N/A 338.00 mm N/A Seal Guides
339 X 3.5 S-70 N/A
135155
N/A Metric Standard O-Ring N/A Silicone N/A N/A 3.50 mm N/A 70 N/A 339.00 mm N/A Seal Guides
340 X 3.5 S-70 N/A
135156
N/A Metric Standard O-Ring N/A Silicone N/A N/A 3.50 mm N/A 70 N/A 340.00 mm N/A Seal Guides
341 X 3.5 S-70 N/A
135157
N/A Metric Standard O-Ring N/A Silicone N/A N/A 3.50 mm N/A 70 N/A 341.00 mm N/A Seal Guides
342 X 3.5 S-70 N/A
135158
N/A Metric Standard O-Ring N/A Silicone N/A N/A 3.50 mm N/A 70 N/A 342.00 mm N/A Seal Guides
343 X 3.5 S-70 N/A
135159
N/A Metric Standard O-Ring N/A Silicone N/A N/A 3.50 mm N/A 70 N/A 343.00 mm N/A Seal Guides
344 X 3.5 S-70 N/A
135160
N/A Metric Standard O-Ring N/A Silicone N/A N/A 3.50 mm N/A 70 N/A 344.00 mm N/A Seal Guides
345 X 3.5 S-70 N/A
135161
N/A Metric Standard O-Ring N/A Silicone N/A N/A 3.50 mm N/A 70 N/A 345.00 mm N/A Seal Guides
346 X 3.5 S-70 N/A
135162
N/A Metric Standard O-Ring N/A Silicone N/A N/A 3.50 mm N/A 70 N/A 346.00 mm N/A Seal Guides
347 X 3.5 S-70 N/A
135163
N/A Metric Standard O-Ring N/A Silicone N/A N/A 3.50 mm N/A 70 N/A 347.00 mm N/A Seal Guides
348 X 3.5 S-70 N/A
135164
N/A Metric Standard O-Ring N/A Silicone N/A N/A 3.50 mm N/A 70 N/A 348.00 mm N/A Seal Guides
349 X 3.5 S-70 N/A
135165
N/A Metric Standard O-Ring N/A Silicone N/A N/A 3.50 mm N/A 70 N/A 349.00 mm N/A Seal Guides
350 X 3.5 S-70 N/A
135166
N/A Metric Standard O-Ring N/A Silicone N/A N/A 3.50 mm N/A 70 N/A 350.00 mm N/A Seal Guides
351 X 3.5 S-70 N/A
135167
N/A Metric Standard O-Ring N/A Silicone N/A N/A 3.50 mm N/A 70 N/A 351.00 mm N/A Seal Guides
352 X 3.5 S-70 N/A
135168
N/A Metric Standard O-Ring N/A Silicone N/A N/A 3.50 mm N/A 70 N/A 352.00 mm N/A Seal Guides
Unit of Measure
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