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

Buna-N O-Ring, 7.866" ID, 6.263" OD, Aluminum 6061

Expert Overview

This robust industrial O-ring, crafted from high-grade Buna-N and precisely machined from Aluminum 6061, offers exceptional sealing performance. Its durable construction ensures reliability in challenging industrial applications.

StandardASME B18
MaterialAluminum 6061
FinishBlack Oxide
GradeN/A
Inside Diameter7.866"
Outside Diameter6.263"
Cross Section0.266"

Detailed Engineering Specifications

A high-performance industrial component, this Buna-N O-ring is engineered with a precise inside diameter of 7.866 inches, an outside diameter of 6.263 inches, and a cross-section of 0.266 inches. The Aluminum 6061 housing provides excellent corrosion resistance and structural integrity, making it suitable for applications requiring resistance to mild acids, alkalis, and solvents. Its robust design ensures a secure and leak-proof seal across a wide range of operating temperatures and pressures, crucial for maintaining system efficiency and preventing contamination.

🧊 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. Clean both the mating groove and the O-ring thoroughly with a lint-free cloth and an appropriate solvent. 2. Carefully lubricate the O-ring and the groove with a compatible lubricant. 3. Gently install the O-ring into its designated groove, ensuring it is seated evenly and without twisting.

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 excessive force during installation, leading to O-ring damage.Apply consistent, gentle pressure and ensure proper lubrication to facilitate smooth installation.
Installing the O-ring into a dirty or damaged groove.Always inspect and clean the groove prior to installation to prevent leaks and premature O-ring failure.

Common Applications

  • Hydraulic systems
  • Pneumatic systems
  • Fluid power equipment

⚠️ Engineering Warnings

  • Ensure compatibility of Buna-N with the media and operating temperatures.
  • Avoid exposure to strong oxidizing agents, ozone, and UV radiation, which can 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 systems, Fluid power equipment.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 7.866"CS = 0.266"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.