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Silicone O-Ring: 3.729" ID, 6.779" OD, 0.131" CS

Expert Overview

This industrial-grade Silicone O-ring provides reliable sealing in diverse environments. Its material properties ensure excellent performance under extreme temperatures and chemical exposure.

StandardDIN 933
MaterialPolycarbonate
FinishAnodized
GradeN/A
Inside Diameter3.729"
Outside Diameter6.779"
Cross Section0.131"

Detailed Engineering Specifications

Built to exacting engineering tolerances, this Silicone O-ring boasts an Inside Diameter of 3.729 inches, an Outside Diameter of 6.779 inches, and a precise Cross Section of 0.131 inches. Fabricated from high-quality polycarbonate silicone, it exhibits exceptional flexibility, a wide operating temperature range from -55°C to +200°C, and superior resistance to ozone, UV radiation, and many common industrial chemicals. This combination of precise dimensions and robust material characteristics makes it ideal for critical sealing applications where consistent performance is paramount.

🧊 Download 3D CAD Model (.STEP)

Verified Global OEM Partners

This component strictly adheres to the tolerances, material specifications, and quality benchmarks set by the world's leading industrial manufacturers.

TrelleborgEst. 1905
Sweden🇸🇪
"Engineered polymer solutions."
Market Rank
🏆 #1 Engineered Polymers
Industry Approvals
🚀 Aerospace & Subsea Approved
Warranty & Support
🛡️ High-Performance Guarantee
Green Manufacturing
🌱 Blue Dimension ESG
Certified:ISO 9001, ISO 14001
GarlockEst. 1887
USA🇺🇸
"High-performance fluid sealing."
Market Rank
🏆 Premium Fluid Sealing Leader
Industry Approvals
🚀 Nuclear & Pharma Approved
Warranty & Support
🛡️ Zero-Leak Guarantee
Green Manufacturing
🌱 Sustainable Materials
Certified:ISO 9001, FDA, NSF
FreudenbergEst. 1849
Germany🇩🇪
"Global sealing technologies."
Market Rank
🏆 Top Global Sealing Tech
Industry Approvals
🚀 Audi & Mercedes OEM
Warranty & Support
🛡️ Global Engineering Support
Green Manufacturing
🌱 Climate Neutral 2045
Certified:IATF 16949, ISO 14001

Certifications & Compliance

RoHS Compliant:Yes
REACH Compliant:Yes
Material Traceability:Available on Request
DFARS Compliant:N/A

Installation Procedure

1. Ensure the mating groove is clean, free of debris, and properly lubricated with a compatible lubricant. 2. Carefully stretch the O-ring over the component, avoiding excessive force or sharp edges that could cause nicks or tears. 3. Gently seat the O-ring within the groove, ensuring it is fully contained and not twisted.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardDIN 933

Mechanical Properties

Tensile StrengthStandard Commercial Spec
Yield StrengthStandard Commercial Spec
HardnessVaries by specific batch

Temperature & Environment Rating

Min Operating Temp
-20°F (-29°C)
Max Continuous Temp
400°F (204°C)
Thermal Expansion
Typical for Material Class

Weight Reference Table

Size / TypeEst. Weight (lbs/100)Shipping Weight (kg)
StandardVaries by dimensionContact Sales

Corrosion Resistance Guide

EnvironmentRating
Indoor / DryExcellent
Outdoor / ExposedModerate
Marine / SaltwaterNot Recommended
Chemical / AcidicNot Recommended

Common Mistakes & How to Avoid Them

❌ Mistake✅ Correct Approach
Using excessive force during installation, leading to O-ring damage.Lubricate the O-ring and groove, and gently stretch the O-ring, avoiding sharp edges.
Installing a dry O-ring, causing friction and potential tearing.Always use a compatible lubricant to ease installation and protect the O-ring.
Over-compressing the O-ring, leading to premature failure.Ensure the O-ring fits snugly within the groove without being overly compressed.

Common Applications

  • High-temperature fluid containment
  • Chemical processing equipment seals
  • Automotive and aerospace sealing systems

⚠️ Engineering Warnings

  • Ensure compatibility of the O-ring material with the specific media it will encounter.
  • Avoid exposing the O-ring to temperatures outside its specified operating range.

Alternative Products to Consider

Premium Sealing equivalentHigher corrosion resistance (316 SS)
Economy Sealing optionLower cost for non-critical indoor applications

Frequently Asked Questions

Q: What is the Industrial O-Ring, Silicone made from?

A: This Industrial O-Ring, Silicone is manufactured from Polycarbonate.

Q: What are the main applications?

A: High-temperature fluid containment, Chemical processing equipment seals, Automotive and aerospace sealing systems.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 3.729"CS = 0.131"SPECIFICATIONSSize: -214

Torque Specifications

⚡ UNIT CONVERTER

Conversion factor: 1 ft-lb ≈ 1.356 Nm

Verified Compatibility

StatusMating ComponentStandardTorque SpecEngineering Notes
No verified compatibility data found for this component.