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Industrial O-Ring: Buna-N, 2.671" ID, 2.771" OD, 0.166" CS

Expert Overview

This industrial-grade Buna-N O-ring provides robust sealing for a wide range of applications. Engineered for durability and chemical resistance, it ensures reliable performance in static and dynamic sealing environments.

StandardASTM A106
MaterialAluminum 6061
FinishZinc Plated
GradeN/A
Inside Diameter2.671"
Outside Diameter2.771"
Cross Section0.166"

Detailed Engineering Specifications

Trusted by engineers across multiple sectors, this Buna-N O-ring exhibits excellent resistance to petroleum-based oils, fuels, and hydraulic fluids. Its compound offers good physical properties and a wide operating temperature range, making it suitable for general-purpose sealing. The precisely machined dimensions of 2.671" inside diameter, 2.771" outside diameter, and a 0.166" cross-section ensure a secure and leak-free fit in corresponding groove configurations.

🧊 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 is clean, free of debris, and properly lubricated with a compatible lubricant. 2. Carefully stretch the O-ring over the component, avoiding any sharp edges or excessive twisting. 3. Seat the O-ring fully within the groove, ensuring it is not pinched or twisted during 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 / ExposedExcellent
Marine / SaltwaterNot Recommended
Chemical / AcidicNot Recommended

Common Mistakes & How to Avoid Them

❌ Mistake✅ Correct Approach
Using excessive force during installation, leading to cuts or nicks on the O-ring.Apply a thin layer of compatible lubricant to the O-ring and groove to facilitate smooth installation. Use gentle, even pressure.
Installing the O-ring in a twisted or distorted position within the groove.Ensure the O-ring is laid flat and evenly seated in the groove before final assembly. Visually inspect for any twisting.

Common Applications

  • Hydraulic systems
  • Pneumatic assemblies
  • Automotive seals
  • Industrial machinery

⚠️ Engineering Warnings

  • Not recommended for use with strong acids, ketones, esters, or ozone.
  • Operating temperature range should be strictly adhered to for optimal performance and longevity.

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, Automotive seals, Industrial machinery.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 2.671"CS = 0.166"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.