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Buna-N Industrial O-Ring: 2.675" ID, 8.042" OD, 0.152" CS

Expert Overview

This industrial-grade Buna-N O-ring offers superior sealing performance in a wide range of applications. Engineered to exacting standards, it provides exceptional durability and chemical resistance for critical sealing functions.

StandardASTM A106
MaterialNylon
FinishGalvanized
GradeN/A
Inside Diameter2.675"
Outside Diameter8.042"
Cross Section0.152"

Detailed Engineering Specifications

A proven choice for industrial professionals, this Buna-N O-ring boasts a precise Inside Diameter of 2.675 inches, an Outside Diameter of 8.042 inches, and a robust Cross Section of 0.152 inches. Constructed from high-quality Buna-N (Nitrile Butadiene Rubber), it exhibits excellent resistance to oils, fuels, greases, and many hydraulic fluids, making it ideal for hydraulic and pneumatic systems, automotive components, and general industrial machinery where reliable, long-term sealing is paramount. Its material properties ensure resilience and a dependable seal under moderate pressure and temperature conditions.

🧊 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 chamfered. 2. Lightly lubricate the O-ring with a compatible lubricant if recommended for the application. 3. Carefully place the O-ring into the groove, ensuring it is seated evenly and not twisted.

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 the wrong lubricantAlways use a lubricant compatible with Buna-N and the specific fluid in the system to prevent degradation.
Overstretching the O-ring during installationInstall the O-ring without excessive stretching to avoid premature failure and loss of sealing force.
Ignoring groove dimensionsVerify that the mating groove meets the specified dimensions for the O-ring's cross-section to ensure proper compression and sealing.

Common Applications

  • Hydraulic Systems
  • Pneumatic Cylinders
  • Automotive Seals
  • Fuel and Oil Lines
  • General Industrial Machinery

⚠️ Engineering Warnings

  • Not recommended for use with strong oxidizing agents, ketones, or esters.
  • Operating temperature range should be considered to maintain optimal performance and material integrity.

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 Nylon.

Q: What are the main applications?

A: Hydraulic Systems, Pneumatic Cylinders, Automotive Seals, Fuel and Oil Lines, General Industrial Machinery.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 2.675"CS = 0.152"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.