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Buna-N O-Ring | 2.685" ID x 8.896" OD | Aluminum 6061 Seal

Expert Overview

This Buna-N O-ring, constructed from premium Aluminum 6061, ensures reliable sealing in diverse industrial applications. Its precise dimensions provide exceptional performance and longevity.

StandardISO 9001
MaterialAluminum 6061
FinishPassivated
GradeN/A
Inside Diameter2.685"
Outside Diameter8.896"
Cross Section0.161"

Detailed Engineering Specifications

A high-performance industrial component, this Buna-N O-ring boasts an Inside Diameter of 2.685 inches, an Outside Diameter of 8.896 inches, and a Cross Section of 0.161 inches. Engineered from Aluminum 6061, known for its excellent corrosion resistance and machinability, it offers robust mechanical properties suitable for moderate temperature and pressure sealing applications. This material choice ensures compatibility with a wide range of fluids and environments where standard rubber seals may degrade.

🧊 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, dry, and free of any debris. 2. Carefully inspect the O-ring for any nicks, cuts, or defects before installation. 3. Gently stretch or compress the O-ring to fit into the groove, avoiding excessive force or sharp tools that could cause damage.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardISO 9001

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 damaged or defective O-rings.Always perform a visual inspection of the O-ring before installation to ensure it is free from imperfections.
Over-stretching or kinking the O-ring during installation.Install the O-ring with minimal stress, ensuring it lies flat within the groove without twisting or excessive deformation.
Installing O-rings into dirty or damaged grooves.Thoroughly clean and inspect the sealing groove for any burrs or sharp edges that could compromise the O-ring's integrity.

Common Applications

  • Hydraulic systems
  • Pneumatic assemblies
  • Fluid power applications

⚠️ Engineering Warnings

  • Not suitable for use in extreme high-temperature environments.
  • Avoid exposure to strong oxidizing agents and certain solvents that may degrade Buna-N.

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, Buna-N made from?

A: This Industrial O-Ring, Buna-N is manufactured from Aluminum 6061.

Q: What are the main applications?

A: Hydraulic systems, Pneumatic assemblies, Fluid power applications.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 2.685"CS = 0.161"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.