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Industrial O-Ring, Buna-N | 316 Stainless Steel | 3.124" ID x 9.892" OD

Expert Overview

This industrial O-ring, crafted from durable Buna-N and encased in corrosion-resistant 316 stainless steel, offers superior sealing performance in demanding environments. Engineered for longevity and reliability.

StandardISO 9001
Material316 Stainless Steel
FinishGalvanized
GradeN/A
Inside Diameter3.124"
Outside Diameter9.892"
Cross Section0.177"

Detailed Engineering Specifications

Trusted by engineers across multiple sectors, this industrial O-ring features a precisely manufactured Buna-N sealing element within a robust 316 stainless steel housing. The specified dimensions of 3.124" inside diameter, 9.892" outside diameter, and a 0.177" cross-section ensure a tight, reliable seal. Buna-N provides excellent resistance to oils, fuels, and hydraulic fluids, while the 316 stainless steel offers superior corrosion resistance, making it ideal for chemical processing, marine, and food-grade applications. This combination guarantees excellent performance in extreme temperatures and pressures.

🧊 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 mating surfaces are clean and free of debris. 2. Carefully place the O-ring into its designated groove, avoiding stretching or twisting. 3. Apply appropriate lubrication if recommended for the specific application and material compatibility.

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
Overtightening fasteners, which can crush the O-ring and compromise the seal.Adhere to specified torque values for all fasteners to prevent O-ring deformation and failure.
Using incompatible lubricants or cleaning agents that can degrade the Buna-N material.Consult material compatibility charts to ensure lubricants and cleaning agents are safe for Buna-N and the application environment.

Common Applications

  • Hydraulic and Pneumatic Systems
  • Chemical Processing Equipment
  • Marine and Offshore Applications

⚠️ Engineering Warnings

  • Not suitable for applications involving strong oxidizing acids or polar solvents.
  • Ensure operating temperature range of Buna-N is not exceeded.

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, Chemical Processing Equipment, Marine and Offshore Applications.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 3.124"CS = 0.177"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.