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Buna-N Aluminum O-Ring | 6.617" ID x 5.906" OD

Expert Overview

Engineered for robust sealing in challenging industrial applications, this Buna-N O-ring features a precision-machined Aluminum 6061 flange. It offers superior chemical resistance and reliable performance under pressure.

StandardASME B18
MaterialAluminum 6061
FinishGalvanized
GradeN/A
Inside Diameter6.617"
Outside Diameter5.906"
Cross Section0.224"

Detailed Engineering Specifications

Designed for demanding industrial environments, this Buna-N O-ring is integrated into a precision-machined Aluminum 6061 housing for enhanced structural integrity and corrosion resistance. The Buna-N elastomer provides excellent resistance to oils, fuels, and many hydraulic fluids, making it suitable for dynamic and static sealing applications where chemical compatibility is critical. The precise dimensions, including an inside diameter of 6.617 inches, an outside diameter of 5.906 inches, and a cross-section of 0.224 inches, ensure a tight, leak-proof seal. The Aluminum 6061 housing offers good machinability and strength-to-weight ratio.

🧊 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 mating groove and sealing surfaces for cleanliness and damage. 2. Carefully place the O-ring into the designated groove, ensuring it is seated evenly without twisting. 3. Apply a thin layer of compatible lubricant if recommended for the application to facilitate assembly and prevent damage.

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 during assembly, which can crush the O-ring and compromise the seal.Follow manufacturer-specified torque values for all fasteners to ensure proper compression without overstressing the O-ring.
Using incompatible lubricants or cleaning agents that can degrade the Buna-N material.Consult a chemical compatibility chart for Buna-N and select lubricants and cleaning agents specifically approved for this elastomer.

Common Applications

  • Hydraulic systems
  • Pneumatic equipment
  • Fluid power transmission

⚠️ Engineering Warnings

  • Not suitable for use with strong oxidizing acids, ketones, esters, or chlorinated hydrocarbons.
  • Maximum operating temperature for Buna-N is typically 212°F (100°C); consult material data sheets for specific grade limitations.

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 equipment, Fluid power transmission.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 6.617"CS = 0.224"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.