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Buna-N Industrial O-Ring | 9.117" ID x 3.204" OD | Nylon

Expert Overview

This Buna-N industrial O-ring, constructed with a Nylon core, delivers exceptional sealing performance. Engineered to precise dimensions for reliable fluid and gas containment in critical industrial environments.

StandardASME B18
MaterialNylon
FinishPlain
GradeN/A
Inside Diameter9.117"
Outside Diameter3.204"
Cross Section0.128"

Detailed Engineering Specifications

Built to exacting engineering tolerances, this Buna-N O-ring boasts a 9.117" inside diameter, 3.204" outside diameter, and a 0.128" cross-section. The Buna-N (Nitrile) material offers excellent resistance to petroleum-based oils, hydraulic fluids, and many solvents, making it ideal for a wide range of demanding applications. Its robust construction ensures superior sealing integrity under moderate pressure and temperature conditions, preventing leakage and maintaining system efficiency. This O-ring is designed for static and dynamic sealing applications where durability and chemical compatibility are paramount.

🧊 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:N/A

Installation Procedure

1. Ensure the mating groove is clean, dry, and free of any debris or sharp edges. 2. Carefully place the O-ring into the groove, avoiding overstretching or twisting. 3. Gently compress the O-ring into its final seated position, ensuring it sits flush within the groove.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardASME B18

Mechanical Properties

Tensile StrengthStandard Commercial Spec
Yield StrengthStandard Commercial Spec
HardnessVaries by specific batch

Temperature & Environment Rating

Min Operating Temp
-20°F (-29°C)
Max Continuous Temp
400°F (204°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 / ExposedModerate
Marine / SaltwaterNot Recommended
Chemical / AcidicNot Recommended

Common Mistakes & How to Avoid Them

❌ Mistake✅ Correct Approach
Overstretching the O-ring during installationInstall the O-ring with minimal tension. If it requires significant stretching, verify the O-ring size and groove dimensions are compatible.
Installing into a contaminated or damaged grooveThoroughly inspect and clean the groove before installation. Remove any burrs or nicks that could compromise the seal or damage the O-ring.

Common Applications

  • Hydraulic systems
  • Pneumatic equipment
  • Automotive seals
  • Oil and gas exploration
  • General industrial machinery

⚠️ Engineering Warnings

  • Not suitable for applications involving ozone, strong acids, or esters.
  • Ensure compatibility with the specific fluid and operating temperature range.

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 Nylon.

Q: What are the main applications?

A: Hydraulic systems, Pneumatic equipment, Automotive seals, Oil and gas exploration, General industrial machinery.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 9.117"CS = 0.128"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.