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Buna-N O-Ring | 6.304" ID x 9.921" OD | 304 Stainless Steel

Expert Overview

This industrial-grade Buna-N O-ring, constructed from durable 304 stainless steel, offers exceptional sealing performance in a wide range of operational environments. Its precise dimensions ensure a reliable fit and long service life.

StandardISO 9001
Material304 Stainless Steel
FinishGalvanized
GradeN/A
Inside Diameter6.304"
Outside Diameter9.921"
Cross Section0.164"

Detailed Engineering Specifications

A proven choice for industrial professionals, this Buna-N O-ring exhibits robust sealing capabilities due to its advanced material composition and precision manufacturing. Engineered with an Inside Diameter of 6.304 inches, an Outside Diameter of 9.921 inches, and a Cross Section of 0.164 inches, it provides a superior seal against common industrial fluids and gases. The 304 stainless steel housing ensures excellent corrosion resistance and mechanical strength, making it ideal for high-pressure and temperature applications where reliability is paramount. Its excellent resilience and resistance to abrasion further contribute to its longevity in demanding industrial settings.

🧊 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:Yes

Installation Procedure

1. Ensure the mating groove is clean, dry, and free of debris. 2. Carefully inspect the O-ring for any damage or defects. 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 StandardISO 9001

Mechanical Properties

Tensile Strength75,000 psi (515 MPa)
Yield Strength30,000 psi (205 MPa)
Elongation in 2 in.40% min
HardnessRockwell B95 max

Chemical Composition

Carbon (C)0.08% max
Chromium (Cr)18.0 - 20.0%
Nickel (Ni)8.0 - 10.5%
Manganese (Mn)2.00% max

Temperature & Environment Rating

Min Operating Temp
-320°F (-195°C)
Max Continuous Temp
1400°F (760°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 / ExposedExcellent
Marine / SaltwaterGood
Chemical / AcidicNot Recommended

Common Mistakes & How to Avoid Them

❌ Mistake✅ Correct Approach
Overstretching the O-ring during installation.Use proper tools and techniques to avoid excessive stretching, which can lead to premature failure.
Installing on a dirty or damaged groove.Thoroughly clean and inspect the groove before O-ring installation to prevent leaks and seal damage.

Common Applications

  • Hydraulic Systems
  • Pneumatic Systems
  • Fluid Power Equipment
  • Chemical Processing

⚠️ Engineering Warnings

  • Not recommended for use with strong oxidizing acids or esters.
  • Avoid exposure to ozone and UV light, which can degrade Buna-N material.

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 304 Stainless Steel.

Q: What are the main applications?

A: Hydraulic Systems, Pneumatic Systems, Fluid Power Equipment, Chemical Processing.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 6.304"CS = 0.164"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.