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Buna-N Industrial O-Ring - 304 Stainless Steel, 8.156" ID

Expert Overview

This industrial O-ring, constructed from robust Buna-N material and housed within a 304 stainless steel casing, provides superior sealing capabilities in high-pressure and corrosive environments. Engineered for reliability and longevity.

StandardDIN 933
Material304 Stainless Steel
FinishPlain
GradeN/A
Inside Diameter8.156"
Outside Diameter4.929"
Cross Section0.196"

Detailed Engineering Specifications

A high-performance industrial component, this Buna-N O-ring features a precise Inside Diameter of 8.156 inches, an Outside Diameter of 4.929 inches, and a Cross Section of 0.196 inches. The Buna-N elastomer offers excellent resistance to oils, fuels, and many hydraulic fluids, making it ideal for dynamic and static sealing applications. The 304 stainless steel housing enhances its durability and corrosion resistance, ensuring reliable performance in challenging industrial settings such as chemical processing, oil and gas, and automotive systems.

🧊 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 and free of debris. 2. Lubricate the O-ring lightly with a compatible lubricant. 3. Carefully install the O-ring into the groove, avoiding any sharp tools or excessive stretching.

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 nicks or tears in the O-ring.Apply gentle pressure and use a rounded installation tool if necessary to seat the O-ring properly.
Installing the O-ring without proper lubrication, causing friction and potential damage.Always use a thin layer of compatible lubricant to reduce friction during installation and ensure a good seal.

Common Applications

  • Hydraulic systems
  • Pneumatic equipment
  • Chemical processing machinery

⚠️ Engineering Warnings

  • Not suitable for applications involving strong oxidizing agents or ketones.
  • Verify chemical compatibility with the specific operating fluids and temperatures.

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 equipment, Chemical processing machinery.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 8.156"CS = 0.196"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.