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Buna-N Brass O-Ring: 2.940" ID, 5.896" OD, 0.192" CS

Expert Overview

This industrial O-ring, constructed from durable Buna-N with a brass construction, ensures reliable sealing. Engineered for precision, it meets critical performance requirements in various demanding applications.

StandardASME B18
MaterialBrass
FinishAnodized
GradeN/A
Inside Diameter2.940"
Outside Diameter5.896"
Cross Section0.192"

Detailed Engineering Specifications

Built to exacting engineering tolerances, this Buna-N O-ring exhibits precise dimensional integrity with an Inside Diameter of 2.940", an Outside Diameter of 5.896", and a Cross Section of 0.192". The Buna-N (Nitrile) material offers excellent resistance to oils, fuels, and many hydraulic fluids, while its inherent flexibility ensures a tight seal under pressure. The brass material provides good corrosion resistance in specific environments and can offer unique thermal conductivity properties. This combination makes it ideal for static and dynamic sealing applications where fluid compatibility and dimensional accuracy are paramount.

🧊 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 of debris. 2. Carefully position the O-ring within its designated groove, avoiding stretching or twisting. 3. Apply a thin film of compatible lubricant if recommended for the application to facilitate assembly and prevent damage.

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
Over-stretching the O-ring during installation, leading to premature failure and reduced sealing capability.Install the O-ring without excessive tension, ensuring it fits snugly within the groove without distortion.
Using incompatible lubricants or cleaning agents that can degrade the Buna-N material.Always consult material compatibility charts and use only approved lubricants and cleaning solutions for Buna-N seals.

Common Applications

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

⚠️ Engineering Warnings

  • Not recommended for use with ozone, ketones, esters, or chlorinated hydrocarbons.
  • Ensure operating temperature remains within the specified range for Buna-N to maintain sealing 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 systems, Fuel and oil handling equipment.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 2.940"CS = 0.192"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.