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Buna-N Brass O-Ring 5.693" ID x 9.877" OD

Expert Overview

This industrial O-ring, crafted from durable Buna-N, features a brass fitting for enhanced chemical resistance and secure mounting. Engineered for reliable sealing in demanding environments, it ensures leak-free performance.

StandardASME B18
MaterialBrass
FinishZinc Plated
GradeN/A
Inside Diameter5.693"
Outside Diameter9.877"
Cross Section0.189"

Detailed Engineering Specifications

Precision-manufactured to tight tolerances, this Buna-N O-ring boasts an Inside Diameter of 5.693 inches, an Outside Diameter of 9.877 inches, and a Cross Section of 0.189 inches. The Buna-N (Nitrile Butadiene Rubber) material offers excellent resistance to oils, fuels, and general chemicals, making it suitable for a wide range of industrial fluid power and control systems. The integrated brass fitting provides robust corrosion resistance and facilitates secure integration into manifold or housing designs. Its dimensional stability ensures consistent sealing force and longevity under operational stress.

🧊 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. Clean sealing surfaces thoroughly to remove debris and contaminants. 2. Lightly lubricate the O-ring with a compatible lubricant to prevent tearing during installation. 3. Carefully install the O-ring into its designated groove, ensuring it is seated evenly and without twists.

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 / ExposedExcellent
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 use a lubricant specifically recommended for Buna-N seals and the application's fluid media.
Forcing the O-ring during installation, leading to cuts or nicks.Gently guide the O-ring into its groove, using a non-metallic tool if necessary, and ensuring the groove geometry is correct.

Common Applications

  • Hydraulic systems
  • Pneumatic equipment
  • Fuel and oil handling
  • Chemical processing

⚠️ Engineering Warnings

  • Not suitable for use with strong oxidizing agents or ozone.
  • Operating temperature range should be observed to maintain material integrity.

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, Fuel and oil handling, Chemical processing.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 5.693"CS = 0.189"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.