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

Buna-N O-Ring | 1.220" ID x 2.769" OD x 0.072" CS | Aluminum 6061

Expert Overview

This industrial O-ring, fabricated from robust Buna-N material and encased in Aluminum 6061, provides superior sealing integrity. Its precise dimensions ensure a reliable fit in critical fluid and gas systems.

StandardASTM A106
MaterialAluminum 6061
FinishPlain
GradeN/A
Inside Diameter1.220"
Outside Diameter2.769"
Cross Section0.072"

Detailed Engineering Specifications

Designed for demanding industrial environments, this Buna-N O-ring features a precise Inside Diameter of 1.220", an Outside Diameter of 2.769", and a Cross Section of 0.072". The Aluminum 6061 housing offers excellent corrosion resistance and structural support, making it ideal for applications requiring durability and chemical inertness. Buna-N's inherent resilience to oils, fuels, and many hydraulic fluids ensures a dependable seal under moderate pressure and temperature fluctuations.

🧊 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. Clean mating surfaces thoroughly to remove any debris or old sealant. 2. Carefully place the O-ring into its designated groove, ensuring it is seated evenly. 3. Assemble components, applying consistent, even pressure to compress the O-ring to its functional state.

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 damage.Apply only enough pressure to seat the O-ring; avoid stretching or pinching.
Incorrect O-ring size selection, resulting in leaks or premature failure.Verify all dimensions (ID, OD, CS) against the application's groove specifications.

Common Applications

  • Hydraulic systems
  • Pneumatic assemblies
  • Fluid transfer lines

⚠️ Engineering Warnings

  • Not suitable for high-temperature applications exceeding Buna-N's operating limits.
  • Avoid exposure to strong oxidizing agents or certain aggressive 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 assemblies, Fluid transfer lines.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 1.220"CS = 0.072"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.