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304 Stainless Steel Industrial O-Ring | 3.909" ID

Expert Overview

This robust 304 stainless steel industrial O-ring offers exceptional sealing performance in demanding environments. Engineered for durability and chemical resistance, it's ideal for critical fluid and gas containment.

StandardDIN 933
Material304 Stainless Steel
FinishPlain
GradeN/A
Inside Diameter3.909"
Outside Diameter5.082"
Cross Section0.127"

Detailed Engineering Specifications

A proven choice for industrial professionals, this 304 stainless steel O-ring boasts a precise Inside Diameter of 3.909 inches, an Outside Diameter of 5.082 inches, and a 0.127-inch cross-section. The 304 stainless steel construction provides superior corrosion resistance and mechanical strength, making it suitable for applications involving high temperatures, aggressive chemicals, and significant pressure variations. Its material properties ensure long-term sealing integrity in sectors such as chemical processing, food and beverage, and pharmaceuticals, where purity and reliability are paramount.

🧊 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 groove is clean, dry, and free of burrs. 2. Carefully place the O-ring into the groove, avoiding stretching or twisting. 3. Assemble the mating component, ensuring even pressure distribution around the O-ring's circumference.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardDIN 933

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)18.0 - 20.0%
Nickel (Ni)8.0 - 10.5%
Manganese (Mn)2.00% max

Temperature & Environment Rating

Min Operating Temp
-320°F (-195°C)
Max Continuous Temp
1400°F (760°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 / SaltwaterGood
Chemical / AcidicNot Recommended

Common Mistakes & How to Avoid Them

❌ Mistake✅ Correct Approach
Overtightening during assembly, leading to overcompression and premature failure.Follow torque specifications for the mating components and ensure the O-ring is seated correctly before final tightening.
Using the wrong O-ring size or material for the application's temperature and chemical compatibility.Always verify the O-ring's specifications against the operating conditions and fluid media before installation.

Common Applications

  • High-temperature fluid and gas sealing
  • Chemical processing equipment
  • Food and beverage processing lines

⚠️ Engineering Warnings

  • Inspect O-ring for damage or defects before installation.
  • Avoid using abrasive cleaners or solvents that could degrade the stainless steel.

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, Silicone made from?

A: This Industrial O-Ring, Silicone is manufactured from 304 Stainless Steel.

Q: What are the main applications?

A: High-temperature fluid and gas sealing, Chemical processing equipment, Food and beverage processing lines.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 3.909"CS = 0.127"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.