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Brass Buna-N O-Ring 8.519" ID x 8.029" OD x 0.105" CS

Expert Overview

This Industrial O-Ring, constructed from robust Buna-N material with a brass insert for enhanced conductivity and durability, offers superior sealing in diverse industrial environments. Engineered for optimal performance and longevity.

StandardASTM A106
MaterialBrass
FinishZinc Plated
GradeN/A
Inside Diameter8.519"
Outside Diameter8.029"
Cross Section0.105"

Detailed Engineering Specifications

Engineered for reliability and performance, this industrial O-ring features an inside diameter of 8.519 inches, an outside diameter of 8.029 inches, and a cross-section of 0.105 inches. The Buna-N (Nitrile Butadiene Rubber) material provides excellent resistance to oils, fuels, and many hydraulic fluids, making it suitable for a wide range of operating temperatures. The integrated brass component offers conductive properties and increased rigidity where necessary, ensuring a secure and stable seal in demanding applications. This combination of material and precise dimensions guarantees dependable sealing against leakage in critical fluid power and mechanical systems.

🧊 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 sealing groove and mating surfaces are clean and free from debris or damage. 2. Carefully inspect the O-ring for any defects or signs of wear before installation. 3. Lubricate the O-ring and the groove with a compatible lubricant to facilitate installation and prevent damage during assembly.

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

Chemical Composition

Copper (Cu)60.0 - 63.0%
Zinc (Zn)Balance
Lead (Pb)2.5 - 3.7%

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
Installing a dry O-ring, leading to tearing or shearing during assembly.Always lubricate the O-ring with a compatible lubricant before installation to reduce friction and prevent damage.
Using an O-ring that is not compatible with the fluid or operating temperature, resulting in premature degradation.Verify the material's chemical and temperature compatibility with the specific application before selecting the O-ring.

Common Applications

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

⚠️ Engineering Warnings

  • Avoid exposure to ozone, strong acids, and ketones, as Buna-N may degrade.
  • Ensure proper lubricant selection to prevent O-ring swelling or degradation.

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 Brass.

Q: What are the main applications?

A: Hydraulic systems, Pneumatic cylinders, Fuel and oil handling equipment, Automotive components.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 8.519"CS = 0.105"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.