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Industrial O-Ring, Buna-N, 6.679" ID, 6.199" OD

Expert Overview

This industrial O-ring, crafted from durable Buna-N, provides exceptional sealing performance. Engineered for precise fits, it reliably prevents leaks in critical fluid and gas systems.

StandardISO 9001
MaterialNylon
FinishPlain
GradeN/A
Inside Diameter6.679"
Outside Diameter6.199"
Cross Section0.220"

Detailed Engineering Specifications

Built to exacting engineering tolerances, this Buna-N industrial O-ring features an inside diameter of 6.679 inches, an outside diameter of 6.199 inches, and a cross-section of 0.220 inches. Buna-N (Nitrile Butadiene Rubber) offers excellent resistance to petroleum-based oils, fuels, water, and many hydraulic fluids, making it suitable for a wide range of industrial environments. Its robust compound ensures reliable sealing under moderate pressure and temperature conditions, crucial for preventing system failures and maintaining operational integrity.

🧊 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 grooves are clean, dry, and free of burrs or debris. 2. Carefully place the O-ring into the groove, avoiding stretching or twisting. 3. Ensure the O-ring is properly seated and free from pinching before assembling mating components.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardISO 9001

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
Overtightening fasteners, which can cause the O-ring to extrude or be damaged.Follow torque specifications for all fasteners and ensure proper gland design to prevent O-ring extrusion.
Using an O-ring of incorrect size or material for the application, leading to leaks.Verify the O-ring's dimensions and material compatibility with the media and operating conditions before installation.

Common Applications

  • Hydraulic systems
  • Pneumatic actuators
  • Fluid power equipment
  • Fuel and oil lines

⚠️ Engineering Warnings

  • Not recommended for use with ozone, UV, or weathering.
  • Avoid prolonged exposure to high temperatures exceeding its rated limit, which can degrade material properties.

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 actuators, Fluid power equipment, Fuel and oil lines.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 6.679"CS = 0.220"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.