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O-Ring Dimension Chart: Famous Factories Guide for Precision

I’m here to help you pick the perfect seal from our O-Ring Dimension Chart. As buyers in Famous factories, you know how vital reliable seals are. Our chart covers imperial and metric sizes, inner diameter, cross-section, tolerances, and durometer ranges, making it easier to match gaskets to equipment. I personally use it to speed up sourcing, cut down QC reworks, and avoid mismatches. Our O-Ring Dimension Chart supports common standards and custom orders, with material options like nitrile, fluorocarbon, silicone, EPDM. We provide practical guidance on chemical compatibility and temperature limits. For Famous factories, time is money, so we show exact dimensions with clear annotations, plus an easy-to-export spec sheet. Whether you’re in aerospace, automotive, or fluid systems, I ensure you can quick-check brands, sizes, and durometers to pick the right compound. Let me help you streamline procurement and reduce risk, today.

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O-Ring Dimension Chart Dominates Industry Leaders

A comprehensive O-ring dimension chart has become a decisive tool for global procurement teams seeking consistency, interchangeability, and reduced risk across multi-region supply chains. By consolidating AS568 and ISO references, metric and imperial equivalents, standard tolerances, recommended gland dimensions, and common material durometers in one easy reference, buyers can quickly verify compatibility, eliminate guesswork, and shorten specification cycles when qualifying new vendors or comparing quotations. For purchasing professionals, the right chart streamlines inventory planning, lowers scrap and rework, and supports faster RFQs with precise part numbers and acceptance criteria. Coupled with clear guidance on material selection, sealing performance, and customization options, it empowers smarter sourcing decisions, faster time-to-market, and improved long-term supplier performance—essential for maintaining reliability in critical sealing applications worldwide.

{ O-Ring Dimension Chart Dominates Industry Leaders}
Standard Code Nominal Inner Diameter (in) Cross-Section (in) Outside Diameter (in) Nominal Inner Diameter (mm) Cross-Section (mm) Outside Diameter (mm) Tolerance (mm) Typical Application
CS-1.78 / ID-3.18 0.125 0.070 0.265 3.175 1.778 6.731 ±0.05 Low-pressure hydraulic seals, small fittings
CS-1.78 / ID-4.80 0.189 0.070 0.329 4.801 1.778 8.357 ±0.05 Pneumatic connectors, instrumentation
CS-1.78 / ID-6.07 0.239 0.070 0.379 6.071 1.778 9.637 ±0.05 Static seals, small housings
CS-2.62 / ID-9.53 0.375 0.103 0.581 9.525 2.616 14.757 ±0.06 Automotive valves, mid-size ports
CS-3.53 / ID-19.05 0.750 0.139 1.028 19.050 3.531 26.632 ±0.08 General purpose rotary/static seals
CS-5.33 / ID-25.40 1.000 0.210 1.420 25.400 5.334 36.068 ±0.10 High-load hydraulic, large bore
CS-5.33 / ID-50.80 2.000 0.210 2.420 50.800 5.334 61.268 ±0.12 Industrial actuators, large assemblies
CS-3.53 / ID-76.20 3.000 0.139 3.278 76.200 3.531 83.261 ±0.12 Large static sealing faces, housings

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O-Ring Dimension Chart Your Trusted OEM Partner More Than a Supplier - A Partner

Data Dimension: Dimensional Tolerance and Performance Metrics

This bar chart presents six critical data dimensions that influence the reliability and performance of O-ring seals in dynamic service conditions. Each bar represents a dimension and its conformance percentage to defined specifications, serving as a concise dashboard for engineers and OEM partners. Material Integrity at 92% indicates a strong base polymer and cure process alignment, but suggests room for optimization in additives or compounding to improve long-term stability. Surface Finish at 78% highlights potential variations from machining, deburring, or molding processes that could affect leakage risk, particularly in high-pressure or high-speed applications; improving surface quality and consistency can reduce wear and improve sealing performance. Dimensional Tolerance at 88% demonstrates robust control over inner/outer diameters and groove fit, yet tighter tolerances may be necessary for precision assemblies or tight assembly clearances. Temperature Resistance at 84% shows reliable sealing across standard thermal cycles, but high-temperature excursions or rapid thermal transients may require materials with higher glass transition temperatures or targeted crosslink density adjustments. Chemical Resistance at 74% points to susceptibility to certain fuels, oils, or solvents; selecting alternative elastomer blends or protective coatings can extend service life in aggressive environments. Cycle Longevity at 69% reflects durability under repeated compression-relaxation and aging; approaches such as optimized compounding, improved mold release, or enhanced compression set resistance can significantly extend lifecycle. Together, these dimensions provide a clear, data-driven view of where quality and performance improvements will yield the greatest return, guiding supplier collaboration, design reviews, and process optimization. For OEM partnerships, maintaining and updating such a dashboard helps manage risk, prioritize process controls, and align material choices with evolving service conditions and customer requirements.

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