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Industrial Buna-N O-Ring, 316 SS, 5.094" ID x 9.209" OD

Expert Overview

Engineered for robust sealing, this industrial Buna-N O-ring features a corrosion-resistant 316 stainless steel housing. Precision manufactured to ensure reliable performance in challenging environments.

StandardISO 9001
Material316 Stainless Steel
FinishPassivated
GradeN/A
Inside Diameter5.094"
Outside Diameter9.209"
Cross Section0.239"

Detailed Engineering Specifications

Built to exacting engineering tolerances, this industrial O-ring boasts an Inside Diameter of 5.094 inches, an Outside Diameter of 9.209 inches, and a Cross Section of 0.239 inches. The Buna-N elastomer provides excellent resistance to oils, fuels, and many hydraulic fluids, while the 316 stainless steel housing offers superior corrosion resistance, making it ideal for marine, chemical processing, and food and beverage industries where aggressive media or harsh environmental conditions are present. This combination ensures long-term sealing integrity and operational reliability under demanding pressures and temperatures.

🧊 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. Inspect the mating groove and sealing surfaces for cleanliness and damage. 2. Carefully place the O-ring into its designated groove, ensuring it is not twisted. 3. Apply a thin layer of compatible lubricant to the O-ring and mating surface if recommended for the specific application.

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)16.0 - 18.0%
Nickel (Ni)10.0 - 14.0%
Molybdenum (Mo)2.0 - 3.0%

Temperature & Environment Rating

Min Operating Temp
-320°F (-195°C)
Max Continuous Temp
1500°F (815°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 / SaltwaterExcellent
Chemical / AcidicGood

Common Mistakes & How to Avoid Them

❌ Mistake✅ Correct Approach
Using excessive force during installation, leading to O-ring damage or deformation.Apply lubricant and gently guide the O-ring into the groove without stretching or twisting.
Installing an O-ring with incompatible materials that degrade the elastomer.Always verify elastomer compatibility with the fluid or gas it will be sealing against.

Common Applications

  • Hydraulic Systems
  • Pneumatic Cylinders
  • Chemical Processing Equipment

⚠️ Engineering Warnings

  • Ensure compatibility of Buna-N elastomer with specific chemical media and operating temperatures.
  • Avoid exposure to ozone, UV, and weathering, 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 316 Stainless Steel.

Q: What are the main applications?

A: Hydraulic Systems, Pneumatic Cylinders, Chemical Processing Equipment.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 5.094"CS = 0.239"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.