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Buna-N Industrial O-Ring | 5.491" ID x 9.165" OD

Expert Overview

This high-performance Buna-N industrial O-ring offers exceptional durability and resistance to oils and fuels. Engineered for reliable sealing in challenging industrial applications.

StandardASTM A106
MaterialAluminum 6061
FinishPlain
GradeN/A
Inside Diameter5.491"
Outside Diameter9.165"
Cross Section0.084"

Detailed Engineering Specifications

Specified by design engineers worldwide, this Buna-N O-ring boasts an inside diameter of 5.491", an outside diameter of 9.165", and a precise cross-section of 0.084". Manufactured from Buna-N (Nitrile Butadiene Rubber), it exhibits excellent resilience, superior resistance to petroleum-based oils, hydraulic fluids, and water, making it a critical component in a wide array of static and dynamic sealing applications across industries such as automotive, aerospace, and manufacturing.

🧊 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 mating surfaces are clean and free of debris. 2. Lubricate the O-ring and groove with a compatible lubricant. 3. Carefully install the O-ring into its designated groove, avoiding any twisting or stretching.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardASTM A106

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 an incompatible lubricant.Always consult the material compatibility chart for Buna-N and the specific fluid being sealed.
Stretching the O-ring during installation.Install the O-ring gently, ensuring it seats properly within the groove without excessive elongation.

Common Applications

  • Hydraulic systems
  • Pneumatic systems
  • Fuel dispensing equipment

⚠️ Engineering Warnings

  • Not recommended for use with ozone, ketones, or esters.
  • Exposure to high temperatures above its rating will degrade material properties.

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, compliant with ASTM A106.

Q: What are the main applications for this Sealing?

A: Hydraulic systems, Pneumatic systems, Fuel dispensing equipment.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 5.491"CS = 0.084"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.