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Industrial O-Ring, Buna-N, 316 Stainless Steel, 6.664" ID

Expert Overview

Engineered for superior sealing performance, this Buna-N O-ring features a robust 316 stainless steel construction. Its precise dimensions ensure a tight seal in critical industrial applications.

StandardISO 9001
Material316 Stainless Steel
FinishAnodized
GradeN/A
Inside Diameter6.664"
Outside Diameter2.885"
Cross Section0.177"

Detailed Engineering Specifications

Manufactured under strict quality controls, this industrial O-ring boasts a 6.664" inside diameter, 2.885" outside diameter, and a 0.177" cross-section. The Buna-N elastomer provides excellent resistance to oils, fuels, and many hydraulic fluids, while the 316 stainless steel offers superior corrosion resistance in harsh chemical and marine environments. This combination ensures reliable sealing under a wide range of temperatures and pressures, making it ideal for static and dynamic applications in food processing, chemical handling, and oil & gas industries.

🧊 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 surfaces are clean, dry, and free from debris. 2. Carefully position the O-ring within its groove, avoiding stretching or twisting. 3. Apply a thin, compatible lubricant if recommended for the application to facilitate assembly 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
Using excessive force or sharp tools during installation, leading to nicks or cuts in the O-ring.Handle the O-ring with care and use only smooth, rounded installation tools or fingernails if necessary.
Incorrectly selecting an O-ring material for the specific fluid or environmental conditions.Always verify the chemical compatibility and temperature range of the Buna-N elastomer against the intended application before purchase and installation.

Common Applications

  • Hydraulic systems
  • Pneumatic assemblies
  • Chemical processing equipment

⚠️ Engineering Warnings

  • Ensure the O-ring is compatible with all media it will encounter.
  • Avoid exposure to ozone, UV, and weathering for extended periods.

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 assemblies, Chemical processing equipment.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 6.664"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.