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Brass Buna-N O-Ring 6.517" ID | Industrial Sealing

Expert Overview

This industrial O-ring, crafted from robust Buna-N with a brass construction, offers superior sealing performance. Its precise dimensions ensure a leak-proof fit in critical fluid and gas systems.

StandardISO 9001
MaterialBrass
FinishBlack Oxide
GradeN/A
Inside Diameter6.517"
Outside Diameter6.235"
Cross Section0.263"

Detailed Engineering Specifications

Built to exacting engineering tolerances, this Buna-N O-ring features an Inside Diameter of 6.517 inches, an Outside Diameter of 6.235 inches, and a Cross Section of 0.263 inches. The Buna-N (Nitrile) material provides excellent resistance to oils, fuels, and many hydraulic fluids, making it suitable for a wide range of industrial applications. The brass component offers inherent corrosion resistance and can be advantageous in specific environments where non-ferrous materials are specified.

🧊 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 and free of debris. 2. Lightly lubricate the O-ring with a compatible lubricant. 3. Carefully install the O-ring into the groove, avoiding any twisting or stretching.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardISO 9001

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 excessive force during installation, which can nick or cut the O-ring.Apply gentle pressure and utilize appropriate installation tools if necessary.
Installing the O-ring into a contaminated or damaged groove.Thoroughly inspect and clean the groove before installation.

Common Applications

  • Hydraulic systems
  • Pneumatic systems
  • Fluid transfer lines

⚠️ Engineering Warnings

  • Verify compatibility of Buna-N with the specific fluid or gas being sealed.
  • Do not exceed the O-ring's recommended temperature or pressure 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, 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, Fluid transfer lines.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 6.517"CS = 0.263"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.