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Buna-N O-Ring, 304 Stainless Steel, 9.242" ID

Expert Overview

This industrial Buna-N O-ring, constructed with a 304 stainless steel housing, provides superior sealing integrity. Engineered for extreme temperatures and aggressive media, it ensures reliable performance in critical applications.

StandardISO 9001
Material304 Stainless Steel
FinishPassivated
GradeN/A
Inside Diameter9.242"
Outside Diameter2.032"
Cross Section0.142"

Detailed Engineering Specifications

Designed for demanding industrial environments, this O-ring features a Buna-N sealing element encapsulated within a robust 304 stainless steel housing. The precise dimensions of 9.242" inside diameter, 2.032" outside diameter, and a 0.142" cross-section ensure a tight seal against leaks. The 304 stainless steel offers excellent corrosion resistance and mechanical strength, making it suitable for high-pressure systems, chemical processing, and food & beverage manufacturing where hygiene and chemical inertness are paramount. Its material composition allows for operation across a wide temperature range, maintaining seal integrity.

🧊 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 of debris. 2. Carefully lubricate the O-ring and groove with a compatible lubricant. 3. 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 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 incompatible lubricantsAlways consult the material compatibility chart for Buna-N and the specific application environment.
Over-stretching during installationGently roll the O-ring into the groove, ensuring it sits flush without excessive tension.

Common Applications

  • Hydraulic and Pneumatic Systems
  • Chemical Processing Equipment
  • Food and Beverage Machinery

⚠️ Engineering Warnings

  • Not suitable for use with strong oxidizing agents.
  • Exposure to ozone, sunlight, and weathering 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 and Pneumatic Systems, Chemical Processing Equipment, Food and Beverage Machinery.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 9.242"CS = 0.142"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.