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Brass Buna-N Industrial O-Ring - 9.063" ID x 0.382" OD

Expert Overview

Engineered for demanding industrial environments, this Buna-N O-ring provides reliable sealing. Constructed with a durable brass material for enhanced chemical resistance and longevity in critical systems.

StandardASME B18
MaterialBrass
FinishPlain
GradeN/A
Inside Diameter9.063"
Outside Diameter0.382"
Cross Section0.251"

Detailed Engineering Specifications

Purpose-built for heavy-duty applications, this industrial O-ring boasts a precise 9.063" inside diameter, 0.382" outside diameter, and a substantial 0.251" cross-section. The Buna-N (Nitrile) compound offers superior resistance to petroleum-based oils, fuels, hydraulic fluids, and greases, making it ideal for hydraulic systems, fuel lines, and general industrial machinery where robust chemical compatibility is paramount. The integral brass composition further enhances its structural integrity and resistance to certain corrosive media.

🧊 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, dry, and free from debris. 2. Carefully inspect the O-ring for any nicks, cuts, or defects before installation. 3. Gently compress the O-ring into its designated groove, avoiding the use of sharp tools that could damage the material.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardASME B18

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 / 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 extrusion or damage.Apply consistent, gentle pressure, ensuring the O-ring seats properly without tearing or deforming.
Installing the O-ring into a dirty or damaged groove.Thoroughly clean and inspect the groove for any imperfections prior to O-ring placement.

Common Applications

  • Hydraulic Systems
  • Fuel and Oil Transfer Lines
  • General Industrial Machinery Sealing

⚠️ Engineering Warnings

  • Not suitable for use with strong oxidizing agents or certain polar solvents.
  • Operating temperature range must be considered to maintain material integrity and sealing performance.

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, Fuel and Oil Transfer Lines, General Industrial Machinery Sealing.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 9.063"CS = 0.251"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.