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Buna-N Industrial O-Ring | 1.294" ID x 6.339" OD x 0.084" CS

Expert Overview

This industrial O-ring, constructed from robust Buna-N, provides reliable sealing in diverse applications. Its precise dimensions ensure a secure fit, preventing leaks in critical systems. Engineered for durability and chemical resistance.

StandardASTM A106
MaterialBrass
FinishPlain
GradeN/A
Inside Diameter1.294"
Outside Diameter6.339"
Cross Section0.084"

Detailed Engineering Specifications

Trusted by engineers across multiple sectors, this Buna-N O-ring offers superior performance in demanding environments. With an Inside Diameter of 1.294 inches, an Outside Diameter of 6.339 inches, and a Cross Section of 0.084 inches, it is designed for precise fitment. Buna-N (Nitrile) is renowned for its excellent resistance to oils, fuels, and many hydraulic fluids, making it ideal for dynamic and static sealing applications. Its operating temperature range and inherent durability ensure long service life under moderate pressure 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 groove or mating surfaces are clean and free of debris. 2. Lightly lubricate the O-ring with a compatible lubricant if recommended for the application. 3. Carefully install the O-ring into the designated 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

Chemical Composition

Copper (Cu)60.0 - 63.0%
Zinc (Zn)Balance
Lead (Pb)2.5 - 3.7%

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 nicks or tears.Apply gentle, even pressure. If resistance is met, re-evaluate lubrication and groove cleanliness.
Incorrect O-ring size selection for the groove dimensions.Always verify O-ring specifications against groove design drawings or manufacturer recommendations before installation.

Common Applications

  • Hydraulic systems
  • Pneumatic equipment
  • Automotive fuel systems
  • General industrial machinery

⚠️ Engineering Warnings

  • Not suitable for use with strong oxidizing agents or certain aromatic hydrocarbons.
  • Verify material compatibility with specific fluid and operating temperatures before application.

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 Brass.

Q: What are the main applications?

A: Hydraulic systems, Pneumatic equipment, Automotive fuel systems, General industrial machinery.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 1.294"CS = 0.084"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.