Home > Sealing > Industrial O-Ring, Silicone

Brass Industrial O-Ring - 7.821" ID, 2.645" OD, 0.144" CS

Expert Overview

This high-performance Brass Industrial O-Ring offers superior sealing capabilities. Engineered with a precise 7.821" ID, 2.645" OD, and 0.144" cross-section, it ensures dependable performance in critical applications.

StandardASTM A106
MaterialBrass
FinishPlain
GradeN/A
Inside Diameter7.821"
Outside Diameter2.645"
Cross Section0.144"

Detailed Engineering Specifications

A proven choice for industrial professionals, this O-ring is manufactured from high-grade brass, offering excellent resistance to corrosion and a robust sealing solution for moderate pressure and temperature applications. Its precise dimensions – an Inside Diameter of 7.821 inches, an Outside Diameter of 2.645 inches, and a Cross Section of 0.144 inches – are critical for ensuring a leak-proof seal in fluid power systems, hydraulic equipment, and static sealing applications where chemical compatibility and mechanical integrity are paramount. The inherent properties of brass make it suitable for environments where non-sparking characteristics are also a consideration.

🧊 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 of debris, and properly dimensioned for the specified O-ring cross-section. 2. Lubricate the O-ring and the groove lightly with a compatible lubricant to prevent damage during installation. 3. Carefully install the O-ring into the groove, avoiding stretching or twisting, ensuring it sits flush and uniformly.

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 a dry O-ring during installation.Always lubricate the O-ring and groove with a compatible lubricant to prevent pinching and tearing.
Overstretching or twisting the O-ring.Install the O-ring without excessive force, ensuring it lies flat and evenly within the groove.
Installing into a dirty or damaged groove.Thoroughly clean and inspect the groove for any imperfections before O-ring installation.

Common Applications

  • Hydraulic Systems
  • Pneumatic Equipment
  • Fluid Power Applications

⚠️ Engineering Warnings

  • Not suitable for extreme temperature or highly aggressive chemical environments.
  • Ensure compatibility with the specific fluid or gas being sealed.

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 Equipment, Fluid Power Applications.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 7.821"CS = 0.144"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.