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Buna-N O-Ring, Aluminum 6061, 7.103" OD

Expert Overview

Engineered for demanding industrial environments, this Buna-N O-ring offers superior sealing performance. Its robust construction ensures reliable operation in critical applications requiring high chemical and thermal resistance.

StandardASME B18
MaterialAluminum 6061
FinishPassivated
GradeN/A
Inside Diameter3.338"
Outside Diameter7.103"
Cross Section0.214"

Detailed Engineering Specifications

A high-performance industrial component, this Buna-N O-ring is precision-manufactured with an Inside Diameter (ID) of 3.338 inches, an Outside Diameter (OD) of 7.103 inches, and a Cross Section (CS) of 0.214 inches. The Buna-N (Nitrile Butadiene Rubber) material provides excellent resistance to oils, fuels, and many chemicals, making it suitable for a wide range of industrial fluid power and general engineering applications where moderate temperatures and pressures are encountered.

🧊 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. Inspect the groove for cleanliness and proper dimensions. 2. Lightly lubricate the O-ring and groove with a compatible lubricant. 3. Carefully install the O-ring into the groove, avoiding any nicks or cuts.

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 the wrong lubricant, which can degrade the Buna-N material.Always use a lubricant recommended for Buna-N and the specific application's media.
Overstretching or twisting the O-ring during installation.Install the O-ring carefully, ensuring it seats evenly in the groove without undue stress.

Common Applications

  • Hydraulic systems
  • Pneumatic cylinders
  • Fuel and oil handling equipment

⚠️ Engineering Warnings

  • Not suitable for high-temperature applications above 250°F (121°C).
  • Avoid exposure to ozone, strong UV light, or polar solvents.

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 cylinders, Fuel and oil handling equipment.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 3.338"CS = 0.214"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.