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Industrial Buna-N O-Ring | 6.764" ID x 3.508" OD

Expert Overview

Engineered for superior sealing performance, this industrial O-ring offers exceptional resistance to oils, fuels, and hydraulic fluids. Its robust construction ensures reliable operation in challenging conditions.

StandardASME B18
MaterialPolycarbonate
FinishZinc Plated
GradeN/A
Inside Diameter6.764"
Outside Diameter3.508"
Cross Section0.097"

Detailed Engineering Specifications

Designed for demanding industrial environments, this Buna-N O-ring is precisely manufactured to a 6.764-inch inside diameter, 3.508-inch outside diameter, and a 0.097-inch cross-section. The nitrile butadiene rubber (Buna-N) material provides excellent resilience and broad compatibility with petroleum-based oils, greases, and hydraulic fluids. This makes it ideal for applications requiring resistance to extrusion and wear in moderate temperature ranges, such as in pneumatic and hydraulic systems, automotive components, and general industrial machinery.

🧊 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. Lubricate the O-ring and the groove with a compatible lubricant. 3. Carefully install the O-ring into the groove, avoiding stretching or twisting.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardASME B18

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 O-ring size for the groove.Verify the O-ring dimensions and groove dimensions meticulously before installation to ensure a proper fit and seal.
Overtightening or excessive force during installation.Apply gentle, even pressure during installation to prevent damage to the O-ring, which can lead to premature failure.

Common Applications

  • Hydraulic Systems
  • Pneumatic Actuators
  • Automotive Fuel Systems

⚠️ Engineering Warnings

  • Not suitable for high-temperature applications exceeding its operational limits.
  • Avoid exposure to ozone, UV radiation, or strong oxidizing agents, as this can degrade the Buna-N material.

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 Polycarbonate.

Q: What are the main applications?

A: Hydraulic Systems, Pneumatic Actuators, Automotive Fuel Systems.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 6.764"CS = 0.097"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.