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

Industrial Buna-N O-Ring | 1.55" ID | 9.6" OD | Aluminum 6061

Expert Overview

This industrial-grade O-ring, crafted from robust Buna-N and featuring an Aluminum 6061 core, provides exceptional sealing performance. Engineered for durability and resistance, it ensures reliable fluid and gas containment in critical systems.

StandardDIN 933
MaterialAluminum 6061
FinishAnodized
GradeN/A
Inside Diameter1.550"
Outside Diameter9.599"
Cross Section0.139"

Detailed Engineering Specifications

Trusted by engineers across multiple sectors, this Buna-N O-ring is manufactured with a precise 1.550" inside diameter, a 9.599" outside diameter, and a 0.139" cross-section. The integral Aluminum 6061 core offers enhanced structural integrity, thermal conductivity, and corrosion resistance, making it ideal for applications requiring a rigid seal or improved heat dissipation. Buna-N's excellent resistance to oils, fuels, and hydraulic fluids ensures long-term performance in challenging environments.

🧊 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 is clean, free from debris, and properly dimensioned. 2. Carefully stretch the O-ring over the component, avoiding excessive force or twisting. 3. Gently seat the O-ring into the groove, ensuring it is not pinched or damaged during assembly.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardDIN 933

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 O-ring size for the groove.Always verify O-ring dimensions (ID, OD, CS) against the groove specifications for a proper fit and seal.
Damaging the O-ring during installation by twisting or overstretching.Install the O-ring with gentle, consistent pressure, ensuring it seats evenly without deformation.

Common Applications

  • Hydraulic systems
  • Pneumatic assemblies
  • Fluid power transmission
  • Automotive components
  • Industrial machinery

⚠️ Engineering Warnings

  • Not suitable for high-temperature applications exceeding Buna-N's operational limits.
  • Avoid exposure to strong oxidizing agents, ozone, or esters, 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 assemblies, Fluid power transmission, Automotive components, Industrial machinery.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 1.550"CS = 0.139"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.