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Buna-N O-Ring, 316 Stainless Steel, 6.492" OD, 0.173" ID

Expert Overview

Engineered for robust sealing, this Buna-N O-ring, encased in high-grade 316 stainless steel, offers superior chemical resistance and longevity in demanding industrial environments.

StandardASME B18
Material316 Stainless Steel
FinishGalvanized
GradeN/A
Inside Diameter0.173"
Outside Diameter6.492"
Cross Section0.260"

Detailed Engineering Specifications

Purpose-built for heavy-duty applications, this industrial O-ring features a Buna-N elastomer core for excellent resistance to oils, fuels, and hydraulic fluids. Its precision-machined 316 stainless steel housing provides exceptional structural integrity and corrosion resistance, ensuring reliable sealing even under extreme pressure and temperature fluctuations. With an inside diameter of 0.173 inches, an outside diameter of 6.492 inches, and a cross-section of 0.260 inches, it is ideal for static and dynamic sealing in petrochemical, automotive, and manufacturing sectors.

🧊 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 mating grooves are clean and free of debris. 2. Carefully inspect the O-ring for any damage before installation. 3. Gently install the O-ring into the groove, avoiding excessive stretching or twisting. Ensure it is seated properly.

Equivalent Standards (Cross-Reference)

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

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 an O-ring that is too large or too small for the groove.Always verify the O-ring dimensions (ID, OD, CS) match the specified groove dimensions for the application.
Installing the O-ring with sharp tools that can nick or cut the elastomer.Use rounded installation tools or finger pressure to install the O-ring, ensuring no damage to the sealing surface.

Common Applications

  • Hydraulic Systems
  • Pneumatic Cylinders
  • Fuel Systems
  • Chemical Processing Equipment

⚠️ Engineering Warnings

  • Do not use in applications with strong oxidizing agents or certain polar solvents that can degrade Buna-N.
  • Ensure compatibility of the Buna-N material with the specific fluid or gas being sealed at the operating temperature and pressure.

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, Fuel Systems, Chemical Processing Equipment.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 0.173"CS = 0.260"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.