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Buna-N Brass Industrial O-Ring - 9.531" ID

Expert Overview

This industrial-grade O-ring, crafted from durable Buna-N with a brass construction, ensures reliable sealing in demanding industrial environments. Engineered for longevity and resilience.

StandardDIN 933
MaterialBrass
FinishZinc Plated
GradeN/A
Inside Diameter9.531"
Outside Diameter0.380"
Cross Section0.108"

Detailed Engineering Specifications

Purpose-built for heavy-duty applications, this Buna-N O-ring features a precise inside diameter of 9.531 inches, an outside diameter of 0.380 inches, and a cross-section of 0.108 inches. The Buna-N (Nitrile Butadiene Rubber) material provides excellent resistance to oils, fuels, hydraulic fluids, and general chemicals, making it ideal for systems exposed to these substances. The integrated brass component offers enhanced structural integrity and chemical compatibility in specific brass-centric fluid systems. Its robust design ensures a leak-proof seal under significant pressure and temperature variations.

🧊 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 is clean, dry, and free of burrs or debris. 2. Carefully install the O-ring into the groove, avoiding stretching or twisting. 3. Verify the O-ring is seated uniformly and without damage before assembly.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardDIN 933

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
Overstretching the O-ring during installation.Gently work the O-ring into the groove, utilizing a lubricant if necessary, to prevent excessive tension.
Installing onto a dirty or damaged groove.Thoroughly clean and inspect the groove for any imperfections that could compromise the seal.

Common Applications

  • Hydraulic systems
  • Pneumatic assemblies
  • Fluid transfer lines

⚠️ Engineering Warnings

  • Not suitable for exposure to ozone, strong acids, or certain chlorinated hydrocarbons.
  • Verify material compatibility with specific media and operating temperatures.

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 assemblies, Fluid transfer lines.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 9.531"CS = 0.108"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.