Home > Sealing > Industrial O-Ring, Buna-N

Industrial Buna-N O-Ring | 6.512" ID | Aluminum 6061

Expert Overview

This industrial O-ring, crafted from robust Buna-N and housed in Aluminum 6061, ensures superior sealing performance. Its precise dimensions guarantee a reliable fit in critical applications, preventing leaks and maintaining operational integrity.

StandardISO 9001
MaterialAluminum 6061
FinishPassivated
GradeN/A
Inside Diameter6.512"
Outside Diameter4.521"
Cross Section0.170"

Detailed Engineering Specifications

A high-performance industrial component, this Buna-N O-ring features a precise Inside Diameter of 6.512 inches, an Outside Diameter of 4.521 inches, and a Cross Section of 0.170 inches. The Buna-N material offers excellent resistance to oils, fuels, and hydraulic fluids, making it suitable for a wide range of demanding industrial environments. The Aluminum 6061 housing provides structural integrity and compatibility with specific fluid or environmental conditions where metal-to-elastomer sealing is required. This combination ensures durable and effective sealing in applications such as fluid power systems, chemical processing, and general 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. Carefully position the O-ring into its designated groove, avoiding stretching or twisting. 3. Apply a light, compatible lubricant if necessary to facilitate installation and prevent 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
Overtightening or stretching the O-ring during installation.Install the O-ring without excessive tension. Use appropriate tools and techniques to avoid deformation.
Using the wrong O-ring material for the application's chemical or temperature environment.Verify the chemical compatibility and temperature range of Buna-N against the operating conditions before selection.

Common Applications

  • Hydraulic and pneumatic systems
  • Fuel and oil handling equipment
  • Chemical processing machinery

⚠️ Engineering Warnings

  • Ensure the O-ring material is compatible with all media it will contact.
  • Do not expose the O-ring to temperatures outside its recommended 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, Buna-N made from?

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

Q: What are the main applications?

A: Hydraulic and pneumatic systems, Fuel and oil handling equipment, Chemical processing machinery.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 6.512"CS = 0.170"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.