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Buna-N Industrial O-Ring - 304 Stainless Steel, 9.169" ID x 3.064" OD

Expert Overview

This robust industrial O-ring, constructed from durable 304 stainless steel, provides exceptional sealing performance. Its Buna-N material offers broad chemical resistance and reliable operation in diverse applications.

StandardDIN 933
Material304 Stainless Steel
FinishBlack Oxide
GradeN/A
Inside Diameter9.169"
Outside Diameter3.064"
Cross Section0.206"

Detailed Engineering Specifications

Precision-manufactured to tight tolerances, this Buna-N O-ring features an Inside Diameter of 9.169 inches, an Outside Diameter of 3.064 inches, and a Cross Section of 0.206 inches. The 304 stainless steel housing ensures superior corrosion resistance and mechanical strength, making it ideal for high-pressure and chemically aggressive environments. Buna-N's excellent resilience and resistance to petroleum-based fluids, oils, and greases further enhance its suitability for static and dynamic sealing applications in hydraulic systems, pneumatic machinery, and general industrial equipment.

🧊 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 sealing groove is clean, free of debris, and properly dimensioned. 2. Carefully stretch or compress the O-ring to fit within the groove, avoiding sharp tools or excessive force that could nick or damage the sealing surface. 3. Verify the O-ring is seated evenly and fully within the groove before assembling mating components.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardDIN 933

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
Using excessive force during installation, leading to cuts or abrasions on the O-ring surface.Apply gentle, even pressure. Use appropriate lubricant if necessary to aid installation and prevent damage.
Installing the O-ring into a contaminated or improperly sized groove.Thoroughly clean the groove before installation. Confirm groove dimensions meet O-ring specifications to ensure proper compression and sealing.

Common Applications

  • Hydraulic and Pneumatic Systems
  • Automotive Engine Components
  • Chemical Processing Equipment

⚠️ Engineering Warnings

  • Not recommended for use with strong oxidizing acids or ketones.
  • Service temperature range should be confirmed for specific application fluid and conditions.

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 and Pneumatic Systems, Automotive Engine Components, Chemical Processing Equipment.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 9.169"CS = 0.206"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.