Home > Sealing > Industrial O-Ring, Buna-N

Industrial Buna-N O-Ring | 304 Stainless Steel | 9.096" ID

Expert Overview

This industrial O-ring, constructed with a robust Buna-N sealing element and a 304 stainless steel housing, delivers exceptional performance in challenging environments requiring reliable fluid containment and pressure resistance.

StandardISO 9001
Material304 Stainless Steel
FinishZinc Plated
GradeN/A
Inside Diameter9.096"
Outside Diameter10.320"
Cross Section0.270"

Detailed Engineering Specifications

Built to exacting engineering tolerances, this industrial O-ring features an inside diameter of 9.096 inches, an outside diameter of 10.320 inches, and a cross-section of 0.270 inches. The Buna-N elastomer offers excellent resistance to oils, fuels, and many hydraulic fluids, while the 304 stainless steel housing provides superior corrosion resistance and structural integrity, making it ideal for chemical processing, automotive, and heavy machinery applications.

🧊 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 surfaces are clean and free from debris. 2. Carefully lubricate the O-ring and groove with a compatible lubricant. 3. Gently install the O-ring into the groove, avoiding any stretching or twisting, ensuring a snug fit without deformation.

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.Always lubricate the O-ring and groove, and install with minimal stretching to prevent premature failure and seal degradation.
Using incompatible lubricants or cleaning agents.Verify lubricant and cleaning agent compatibility with Buna-N and 304 stainless steel to avoid material degradation and loss of sealing capability.

Common Applications

  • Hydraulic Systems
  • Automotive Sealing
  • Chemical Processing Equipment

⚠️ Engineering Warnings

  • Ensure O-ring is compatible with the specific fluid and temperature range of the application.
  • Avoid exposure to ozone, strong acids, and polar solvents which can degrade Buna-N.

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, Automotive Sealing, Chemical Processing Equipment.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 9.096"CS = 0.270"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.