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Buna-N Industrial O-Ring | 9.751" ID | 304 Stainless Steel

Expert Overview

This robust Buna-N industrial O-ring, manufactured with high-grade 304 stainless steel, ensures reliable sealing in challenging environments. Its precision dimensions guarantee a secure fit and leak-proof performance.

StandardDIN 933
Material304 Stainless Steel
FinishBlack Oxide
GradeN/A
Inside Diameter9.751"
Outside Diameter1.541"
Cross Section0.193"

Detailed Engineering Specifications

Purpose-built for heavy-duty applications, this industrial O-ring boasts a precise Inside Diameter of 9.751 inches, an Outside Diameter of 1.541 inches, and a Cross Section of 0.193 inches. Constructed from corrosion-resistant 304 stainless steel, it exhibits excellent mechanical strength and resilience to a wide range of chemicals, oils, and fuels, making it ideal for hydraulic systems, pneumatic assemblies, pumps, and valves operating under extreme pressure and temperature conditions. The Buna-N material offers superior abrasion and wear resistance.

🧊 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 and O-ring are clean and free from debris. 2. Carefully stretch the O-ring over the component, avoiding any sharp edges or tools that could cause damage. 3. Gently seat the O-ring into its designated groove, ensuring it is fully contained and evenly distributed.

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 or sharp tools during installation.Employ hand-fitting techniques and specialized O-ring installation tools to prevent nicks or tears.
Improper O-ring sizing for the groove or shaft.Verify the O-ring dimensions (ID, OD, CS) match the specified groove dimensions precisely before installation.

Common Applications

  • Hydraulic cylinder sealing
  • Pneumatic actuator seals
  • Pump shaft sealing
  • Valve stem packing

⚠️ Engineering Warnings

  • Not recommended for use with strong oxidizing acids or ketones.
  • Ensure compatibility with specific media and operating temperatures prior to application.

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 cylinder sealing, Pneumatic actuator seals, Pump shaft sealing, Valve stem packing.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 9.751"CS = 0.193"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.