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Industrial O-Ring, Buna-N, 316 SS, 4.97" ID x 8.07" OD

Expert Overview

This industrial O-ring, constructed from robust Buna-N material with a 316 stainless steel housing, provides exceptional sealing integrity. Designed for critical applications requiring superior chemical and mechanical resistance.

StandardISO 9001
Material316 Stainless Steel
FinishBlack Oxide
GradeN/A
Inside Diameter4.970"
Outside Diameter8.069"
Cross Section0.150"

Detailed Engineering Specifications

Engineered for reliability and performance, this industrial O-ring features a precise Buna-N sealing element encased within a durable 316 stainless steel housing. The specified dimensions of 4.970" inside diameter, 8.069" outside diameter, and a 0.150" cross-section ensure an exact fit for demanding sealing applications. Buna-N offers excellent resistance to oils, fuels, and many hydraulic fluids, while the 316 stainless steel provides superior corrosion resistance in aggressive environments, making this O-ring ideal for use in pumps, valves, and fluid power systems.

🧊 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 from debris, and properly dimensioned. 2. Carefully lubricate the O-ring and the groove with a compatible lubricant. 3. Gently install the O-ring into the groove, avoiding excessive stretching or twisting.

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 an incompatible lubricant that degrades the Buna-N material.Consult the material compatibility chart for Buna-N and select a lubricant specifically recommended for this elastomer.
Overstretching or twisting the O-ring during installation, leading to premature failure.Install the O-ring with minimal stress, ensuring it seats properly within the groove without distortion.

Common Applications

  • Hydraulic and Pneumatic Systems
  • Fuel and Oil Handling Equipment
  • Chemical Processing Machinery

⚠️ Engineering Warnings

  • Verify compatibility with specific media and operating temperatures before application.
  • Avoid exposure to ozone, UV light, and high temperatures 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 and Pneumatic Systems, Fuel and Oil Handling Equipment, Chemical Processing Machinery.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 4.970"CS = 0.150"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.