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Buna-N Brass O-Ring | 4.683" ID x 9.003" OD x 0.090" CS

Expert Overview

This industrial O-ring, constructed from durable Buna-N and featuring brass components, provides reliable sealing for a wide range of applications. Its precise dimensions ensure a tight, leak-proof fit.

StandardISO 9001
MaterialBrass
FinishPlain
GradeN/A
Inside Diameter4.683"
Outside Diameter9.003"
Cross Section0.090"

Detailed Engineering Specifications

Manufactured under strict quality controls, this Buna-N O-ring boasts an Inside Diameter of 4.683 inches, an Outside Diameter of 9.003 inches, and a Cross Section of 0.090 inches. The Buna-N (Nitrile Butadiene Rubber) material offers excellent resistance to oils, fuels, hydraulic fluids, and general wear, making it suitable for moderate temperature and pressure applications. The brass housing ensures compatibility with specific fluid systems and offers good corrosion resistance in non-aggressive environments. This combination provides a robust and cost-effective sealing solution.

🧊 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, dry, and free from burrs. 2. Lightly lubricate the O-ring with a compatible lubricant if recommended for the application. 3. Carefully install the O-ring into the designated groove, avoiding excessive stretching or twisting.

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
Using the wrong lubricant, which can degrade Buna-N.Always consult compatibility charts and use lubricants specifically approved for Buna-N and the operating environment.
Over-stretching or twisting the O-ring during installation.Install the O-ring gently, ensuring it seats properly without deformation to maintain its sealing integrity.

Common Applications

  • General industrial fluid sealing
  • Hydraulic and pneumatic systems
  • Automotive and machinery components

⚠️ Engineering Warnings

  • Not recommended for use with ozone, strong acids, or polar solvents.
  • Check material compatibility for extreme temperatures or aggressive chemical exposure.

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: General industrial fluid sealing, Hydraulic and pneumatic systems, Automotive and machinery components.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 4.683"CS = 0.090"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.