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Industrial Buna-N O-Ring | 8.323" ID x 2.805" OD

Expert Overview

Engineered for demanding industrial environments, this Buna-N O-ring provides exceptional sealing performance. Its robust Nylon construction ensures longevity and reliability in critical applications.

StandardASTM A106
MaterialNylon
FinishAnodized
GradeN/A
Inside Diameter8.323"
Outside Diameter2.805"
Cross Section0.148"

Detailed Engineering Specifications

A proven choice for industrial professionals, this Buna-N O-ring features a precise Inside Diameter of 8.323 inches, an Outside Diameter of 2.805 inches, and a Cross Section of 0.148 inches. Constructed from high-grade Buna-N (Nitrile butadiene rubber), it offers excellent resistance to oils, fuels, and many common industrial chemicals. The material's inherent flexibility and resilience allow it to maintain a tight seal under pressure, making it ideal for dynamic and static sealing applications across various industries. Its durability ensures a long service life, reducing maintenance intervals.

🧊 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 is clean and free of debris. 2. Lubricate the O-ring and groove with a compatible lubricant. 3. Carefully install the O-ring into the groove, avoiding twisting or stretching.

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 / ExposedModerate
Marine / SaltwaterNot Recommended
Chemical / AcidicNot Recommended

Common Mistakes & How to Avoid Them

❌ Mistake✅ Correct Approach
Using the wrong lubricant, leading to material degradation.Consult compatibility charts for lubricants suitable for Buna-N and the specific operating environment.
Overstretching or twisting the O-ring during installation, causing premature failure.Handle the O-ring gently and ensure it sits squarely in the groove without undue stress.

Common Applications

  • Hydraulic systems
  • Pneumatic cylinders
  • Fuel and oil handling equipment

⚠️ Engineering Warnings

  • Not recommended for use with ozone, ketones, or esters.
  • Operating temperature limits must be observed to prevent material breakdown.

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 cylinders, Fuel and oil handling equipment.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 8.323"CS = 0.148"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.