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Buna-N Industrial O-Ring - 8.631" ID x 5.366" OD x 0.088" CS

Expert Overview

This industrial O-ring, crafted from durable Buna-N (Nitrile), offers superior sealing performance in challenging operational settings. Its precise dimensions ensure a reliable fit for critical applications.

StandardISO 9001
MaterialNylon
FinishPlain
GradeN/A
Inside Diameter8.631"
Outside Diameter5.366"
Cross Section0.088"

Detailed Engineering Specifications

Designed for demanding industrial environments, this Buna-N O-ring provides exceptional resistance to oils, fuels, and hydraulic fluids. The material's inherent toughness and flexibility ensure a secure seal under significant pressure and temperature fluctuations. With an Inside Diameter of 8.631 inches, an Outside Diameter of 5.366 inches, and a Cross Section of 0.088 inches, this component is engineered for optimal performance in applications such as hydraulic systems, pneumatic assemblies, and fluid transfer lines where reliable leak prevention is paramount.

🧊 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 dimensioned. 2. Lightly lubricate the O-ring and groove with a compatible lubricant. 3. Carefully install the O-ring, avoiding any stretching or twisting, ensuring it seats fully within the groove.

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
Using excessive force during installation, leading to O-ring damage.Apply gentle pressure and ensure the O-ring is properly seated before fully engaging the mating component.
Installing on a contaminated or damaged groove.Thoroughly clean and inspect the groove for any burrs, nicks, or foreign material before installation.

Common Applications

  • Hydraulic cylinder seals
  • Pneumatic actuator seals
  • Fluid power systems

⚠️ Engineering Warnings

  • Not recommended for exposure to ozone, strong acids, or polar solvents.
  • Verify material compatibility with specific media and operating temperatures prior to 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 Nylon.

Q: What are the main applications?

A: Hydraulic cylinder seals, Pneumatic actuator seals, Fluid power systems.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 8.631"CS = 0.088"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.