Home > Sealing > Industrial O-Ring, Silicone

304 Stainless Steel Industrial O-Ring | 4.974" ID x 3.886" OD

Expert Overview

This robust 304 stainless steel industrial O-ring provides exceptional sealing integrity under challenging operational conditions. Its precise dimensions and corrosion-resistant material ensure reliable performance in a wide array of demanding applications.

StandardASTM A106
Material304 Stainless Steel
FinishPassivated
GradeN/A
Inside Diameter4.974"
Outside Diameter3.886"
Cross Section0.221"

Detailed Engineering Specifications

A proven choice for industrial professionals, this O-ring is precision-engineered from high-grade 304 stainless steel, offering superior corrosion resistance and mechanical strength. With an inside diameter of 4.974 inches, an outside diameter of 3.886 inches, and a cross-section of 0.221 inches, it is designed for secure, leak-proof sealing in high-pressure and high-temperature environments. Its material composition makes it ideal for applications involving aggressive chemicals, extreme temperatures, and corrosive media where standard elastomers would degrade.

🧊 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. Inspect the groove and mating surfaces for cleanliness and damage. 2. Lightly lubricate the O-ring with a compatible lubricant if recommended for the application. 3. Carefully install the O-ring into the designated groove, ensuring it is seated evenly and without twisting.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardASTM A106

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
Using excessive force during installation, leading to O-ring damage.Apply lubricant if appropriate and gently guide the O-ring into the groove, avoiding stretching or twisting.
Ignoring groove cleanliness, which can compromise the seal.Thoroughly clean the groove and mating surfaces before O-ring installation to remove debris and contaminants.

Common Applications

  • High-pressure hydraulic systems
  • Chemical processing equipment
  • Food and beverage processing
  • Marine applications

⚠️ Engineering Warnings

  • Ensure material compatibility with the specific fluid or gas being sealed.
  • Avoid exceeding the O-ring's specified temperature or pressure limits.

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-pressure hydraulic systems, Chemical processing equipment, Food and beverage processing, Marine applications.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 4.974"CS = 0.221"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.