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Industrial O-Ring, Buna-N, 7.67" ID x 9.18" OD x 0.26" CS

Expert Overview

This industrial O-ring, crafted from robust Buna-N, ensures exceptional sealing performance. Its precise dimensions are ideal for critical applications requiring reliable fluid and gas containment.

StandardASTM A106
MaterialPolycarbonate
FinishGalvanized
GradeN/A
Inside Diameter7.670"
Outside Diameter9.180"
Cross Section0.260"

Detailed Engineering Specifications

Precision-manufactured to tight tolerances, this Buna-N O-ring boasts an Inside Diameter of 7.670 inches, an Outside Diameter of 9.180 inches, and a Cross Section of 0.260 inches. Buna-N (Nitrile) is renowned for its excellent resistance to oils, fuels, and many hydraulic fluids, making it a cost-effective choice for general-purpose sealing. Its moderate temperature range (-30°F to +250°F) and good abrasion resistance allow for reliable performance in a wide array of industrial settings.

🧊 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 sealing surfaces are clean and free of debris. 2. Carefully stretch the O-ring over the component, avoiding excessive force or sharp tools. 3. Seat the O-ring within its designated groove, verifying proper alignment and compression.

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
Overstretching the O-ring during installation.Install with minimal stretching to prevent premature failure and loss of sealing force.
Using incompatible lubricants or cleaning agents.Refer to Buna-N compatibility charts to select appropriate lubricants and cleaning solutions.

Common Applications

  • Hydraulic systems
  • Pneumatic cylinders
  • Fuel and oil lines

⚠️ Engineering Warnings

  • Not suitable for applications involving ozone, UV, or weathering.
  • Avoid prolonged exposure to high temperatures exceeding 250°F.

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 cylinders, Fuel and oil lines.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 7.670"CS = 0.260"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.