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Buna-N Industrial O-Ring | 316 Stainless Steel | 8.502" ID

Expert Overview

This industrial O-ring features a durable Buna-N elastomer for broad chemical resistance, housed within a 316 stainless steel ferrule for exceptional corrosion resistance and structural integrity in harsh industrial settings.

StandardISO 9001
Material316 Stainless Steel
FinishAnodized
GradeN/A
Inside Diameter8.502"
Outside Diameter8.860"
Cross Section0.136"

Detailed Engineering Specifications

Manufactured under strict quality controls, this O-ring boasts a precise 8.502" inside diameter, 8.860" outside diameter, and a 0.136" cross-section. The Buna-N (Nitrile Butadiene Rubber) offers excellent resistance to oils, fuels, and certain hydraulic fluids, while the 316 stainless steel provides superior corrosion resistance, particularly in saltwater or aggressive chemical applications. This combination ensures reliable, long-lasting sealing performance in demanding industrial environments.

🧊 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, free of debris, and properly dimensioned. 2. Carefully position the O-ring within the groove, avoiding any stretching or twisting. 3. Apply a thin layer of compatible lubricant to the O-ring and groove if recommended for the specific application to facilitate installation and prevent damage.

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
Stretching the O-ring excessively during installation.Roll or carefully push the O-ring into the groove, minimizing radial stretch to prevent premature failure.
Using incompatible lubricants or cleaning agents.Consult chemical compatibility charts to select lubricants and cleaning agents that are safe for Buna-N and 316 stainless steel.

Common Applications

  • Hydraulic and pneumatic systems
  • Automotive and marine applications
  • Chemical processing equipment

⚠️ Engineering Warnings

  • Not recommended for use with strong oxidizing acids, ketones, or esters.
  • Exposure to high temperatures above its rated limit may degrade material properties.

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 and pneumatic systems, Automotive and marine applications, Chemical processing equipment.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 8.502"CS = 0.136"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.