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Industrial Buna-N O-Ring - Brass, 7.883" ID

Expert Overview

This industrial O-ring, crafted from Buna-N with a brass construction, ensures robust sealing in challenging conditions. Its precise dimensions guarantee reliable performance in diverse mechanical applications, resisting common industrial fluids.

StandardASTM A106
MaterialBrass
FinishPlain
GradeN/A
Inside Diameter7.883"
Outside Diameter5.102"
Cross Section0.111"

Detailed Engineering Specifications

Designed for demanding industrial environments, this Buna-N O-ring offers exceptional resilience and sealing integrity. With an inside diameter of 7.883 inches, an outside diameter of 5.102 inches, and a precise cross-section of 0.111 inches, it is engineered to withstand significant pressure and temperature fluctuations. The Buna-N material provides excellent resistance to oils, fuels, and hydraulic fluids, making it suitable for a wide range of static and dynamic sealing applications where chemical compatibility is 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 the mating groove is clean, free of debris, and properly sized. 2. Carefully stretch the O-ring over the component, avoiding any sharp edges or pinching. 3. Seat the O-ring fully within the groove to achieve a consistent seal.

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
Overtightening the assembly, which can crush the O-ring.Adhere to recommended torque specifications for the application.
Using O-rings in environments with incompatible chemicals.Verify material compatibility with all fluids and gases in the operating environment.

Common Applications

  • Hydraulic systems
  • Pneumatic equipment
  • Fuel and oil lines

⚠️ Engineering Warnings

  • Not suitable for high-temperature or ozone-rich environments.
  • Avoid exposure to strong acids and certain polar solvents.

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 lines.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 7.883"CS = 0.111"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.