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

Buna-N O-Ring | 5.358" ID x 2.608" OD | Aluminum 6061

Expert Overview

This industrial O-ring, manufactured from robust Buna-N and designed for a 5.358" ID and 2.608" OD, ensures reliable sealing in demanding environments. Its precise dimensions and material composition offer excellent durability.

StandardASTM A106
MaterialAluminum 6061
FinishAnodized
GradeN/A
Inside Diameter5.358"
Outside Diameter2.608"
Cross Section0.236"

Detailed Engineering Specifications

A high-performance industrial component, this Buna-N O-ring features a precise inside diameter of 5.358 inches, an outside diameter of 2.608 inches, and a cross-section of 0.236 inches. The material, Aluminum 6061, provides a lightweight yet strong construction, exhibiting good corrosion resistance and machinability. Buna-N (Nitrile Butadiene Rubber) offers excellent resistance to oils, fuels, and many hydraulic fluids, making this O-ring suitable for a wide array of general-purpose sealing 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. Ensure the mating groove surfaces are clean and free from debris. 2. Carefully stretch the O-ring over the component, avoiding excessive force or sharp tools. 3. Verify the O-ring is seated evenly within the groove before assembly.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardASTM A106

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 stretching or tearing.Gently stretch the O-ring, and use a plastic installation tool if necessary to prevent damage.
Installing on a dirty or damaged groove, compromising the seal integrity.Thoroughly clean and inspect the groove for any imperfections or contaminants before installing the O-ring.

Common Applications

  • General industrial sealing
  • Hydraulic systems
  • Pneumatic systems

⚠️ Engineering Warnings

  • Not suitable for use with strong acids or polar solvents.
  • Avoid prolonged exposure to ozone and UV radiation.

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: General industrial sealing, Hydraulic systems, Pneumatic systems.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 5.358"CS = 0.236"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.