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Brass O-Ring - 3.789" ID x 7.180" OD

Expert Overview

This precision-engineered Brass O-Ring offers superior sealing capabilities for critical industrial applications. Its robust construction ensures reliable performance under challenging conditions, preventing leaks and maintaining system integrity.

StandardASTM A106
MaterialBrass
FinishPassivated
GradeN/A
Inside Diameter3.789"
Outside Diameter7.180"
Cross Section0.104"

Detailed Engineering Specifications

Built to exacting engineering tolerances, this industrial O-ring features an Inside Diameter of 3.789 inches, an Outside Diameter of 7.180 inches, and a precise Cross Section of 0.104 inches. Fabricated from high-grade brass, it provides exceptional corrosion resistance and mechanical strength, making it ideal for applications involving moderate temperatures and pressures where a non-metallic seal is insufficient or undesirable. Its dimensional accuracy guarantees a tight, leak-proof seal in static and dynamic systems.

🧊 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 both the groove and the O-ring thoroughly before installation. 2. Carefully lubricate the O-ring with a compatible lubricant to facilitate insertion and prevent damage. 3. Gently install the O-ring into the designated groove, ensuring it is seated properly and not twisted.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardASTM A106

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 an incompatible lubricant that degrades the O-ring material.Always consult the O-ring manufacturer's compatibility chart for the correct lubricant.
Forcing the O-ring into the groove, causing nicks or cuts.Ensure the groove is free of burrs and use a proper installation tool or gentle manual pressure.

Common Applications

  • Hydraulic systems
  • Pneumatic assemblies
  • Fluid power equipment

⚠️ Engineering Warnings

  • Not suitable for use in environments with aggressive chemicals that may corrode brass.
  • Ensure operating temperature and pressure are within the material's specified limits.

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, Silicone made from?

A: This Industrial O-Ring, Silicone is manufactured from Brass.

Q: What are the main applications?

A: Hydraulic systems, Pneumatic assemblies, Fluid power equipment.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 3.789"CS = 0.104"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.