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Buna-N O-Ring, 7.155" ID, 6.309" OD, Aluminum 6061

Expert Overview

High-performance Buna-N O-ring engineered with a precise Aluminum 6061 core for exceptional sealing integrity. Designed for robust performance in challenging industrial applications.

StandardASME B18
MaterialAluminum 6061
FinishGalvanized
GradeN/A
Inside Diameter7.155"
Outside Diameter6.309"
Cross Section0.131"

Detailed Engineering Specifications

Manufactured under strict quality controls, this industrial O-ring features an Inside Diameter of 7.155 inches, an Outside Diameter of 6.309 inches, and a Cross Section of 0.131 inches. The Buna-N elastomer provides excellent resistance to oils, fuels, and hydraulic fluids, while the Aluminum 6061 core offers enhanced structural integrity and resistance to deformation under pressure. This combination ensures reliable static and dynamic sealing in a wide range of operating temperatures and pressures, making it ideal for fluid power systems, automotive, and manufacturing equipment.

🧊 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 and mating surfaces are clean, dry, and free from burrs or debris. 2. Carefully install the O-ring into the designated groove, avoiding stretching or twisting. 3. Assemble mating components, applying light, even pressure to seat the O-ring properly.

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 / ExposedExcellent
Marine / SaltwaterNot Recommended
Chemical / AcidicNot Recommended

Common Mistakes & How to Avoid Them

❌ Mistake✅ Correct Approach
Overtightening fasteners, causing excessive O-ring compression and premature failure.Adhere to specified torque values during assembly. Ensure the O-ring is properly seated before full compression.
Using a sharp object to install the O-ring, leading to cuts or nicks.Employ a rounded or plastic installation tool. Hand installation is preferred when feasible.

Common Applications

  • Hydraulic Cylinders
  • Pneumatic Actuators
  • Fuel Systems
  • Gearboxes

⚠️ Engineering Warnings

  • Not suitable for use with strong acids, ketones, or esters.
  • Operating temperature range should not exceed the material's specified limits.

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 Cylinders, Pneumatic Actuators, Fuel Systems, Gearboxes.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 7.155"CS = 0.131"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.