Home > Sealing > Industrial O-Ring, Silicone

Silicone O-Ring | 3.29" ID x 6.28" OD x 0.256" CS | Industrial Sealing

Expert Overview

This industrial O-ring, constructed from a robust Nylon-reinforced Silicone compound, provides exceptional sealing performance in demanding environments. Its precise dimensions ensure a secure fit for critical applications.

StandardASME B18
MaterialNylon
FinishPassivated
GradeN/A
Inside Diameter3.290"
Outside Diameter6.284"
Cross Section0.256"

Detailed Engineering Specifications

A high-performance industrial component, this Silicone O-ring is engineered with a precise Inside Diameter of 3.290 inches, an Outside Diameter of 6.284 inches, and a substantial Cross Section of 0.256 inches. The Nylon reinforcement imparts enhanced tensile strength and resistance to abrasion and extrusion, while the Silicone base material offers excellent flexibility and resilience across a wide temperature range, typically from -60°C to +230°C. This combination makes it ideal for static and dynamic sealing in systems exposed to moderate pressures and a variety of chemicals, oils, and solvents.

🧊 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 sealing groove is clean and free from debris. 2. Carefully stretch the O-ring over the component, avoiding excessive force or sharp tools. 3. Seat the O-ring fully within the groove, confirming it is not twisted or pinched.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardASME B18

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 the wrong size O-ring, leading to leakage or premature failure.Always verify the groove dimensions and select an O-ring with the corresponding inside diameter, outside diameter, and cross-section.
Damaging the O-ring during installation with sharp tools or excessive stretching.Use lubrication compatible with the O-ring material and install using hand pressure or appropriate installation tools, avoiding sharp edges.

Common Applications

  • Automotive powertrain sealing
  • Industrial pump and valve seals
  • Aerospace hydraulic systems

⚠️ Engineering Warnings

  • Not suitable for applications involving strong acids, bases, or certain abrasive media without specific material compatibility testing.
  • Ensure operating temperatures remain within the specified limits of the Silicone material to maintain sealing integrity.

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 Nylon.

Q: What are the main applications?

A: Automotive powertrain sealing, Industrial pump and valve seals, Aerospace hydraulic systems.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 3.290"CS = 0.256"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.