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Buna-N Brass O-Ring - 0.478" ID x 9.571" OD

Expert Overview

This industrial O-ring features a durable Buna-N elastomer within a precisely machined brass housing. Engineered for robust sealing in diverse industrial environments, ensuring reliable performance and longevity under pressure.

StandardISO 9001
MaterialBrass
FinishPlain
GradeN/A
Inside Diameter0.478"
Outside Diameter9.571"
Cross Section0.072"

Detailed Engineering Specifications

Specified by design engineers worldwide, this Buna-N O-ring (Nitrile Butadiene Rubber) is encased in a high-quality brass housing, offering excellent resistance to oils, fuels, and non-polar solvents. The 0.478" inside diameter, 9.571" outside diameter, and 0.072" cross-section are manufactured to exacting tolerances, ensuring a perfect fit and superior sealing in demanding hydraulic and pneumatic systems. Brass offers good corrosion resistance for certain environments, complementing the elastomer's inherent sealing capabilities.

🧊 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 from debris, and properly dimensioned. 2. Carefully lubricate the O-ring and groove with a compatible lubricant. 3. Install the O-ring without stretching or twisting, ensuring it sits flush 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

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
Overtightening the gland, leading to O-ring extrusion or damage.Follow recommended gland compression values for the specific application and material.
Using incompatible lubricants or cleaning agents that degrade the Buna-N.Always consult material compatibility charts for lubricants and cleaning solutions with Buna-N.

Common Applications

  • Hydraulic systems
  • Pneumatic equipment
  • Automotive fluid handling

⚠️ Engineering Warnings

  • Not suitable for use with polar solvents or strong oxidizing agents.
  • Avoid prolonged exposure to UV light and ozone as this can degrade Buna-N.

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 equipment, Automotive fluid handling.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 0.478"CS = 0.072"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.