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Industrial Silicone O-Ring | 304 SS | 4.993" ID

Expert Overview

This industrial-grade silicone O-ring, constructed with a 304 stainless steel housing, offers exceptional sealing performance and durability in demanding industrial applications. Its robust design ensures reliable containment under pressure and temperature extremes.

StandardASTM A106
Material304 Stainless Steel
FinishZinc Plated
GradeN/A
Inside Diameter4.993"
Outside Diameter6.786"
Cross Section0.203"

Detailed Engineering Specifications

Manufactured under strict quality controls, this industrial O-ring features a precise inside diameter of 4.993 inches, an outside diameter of 6.786 inches, and a cross-section of 0.203 inches. The 304 stainless steel housing provides superior corrosion resistance, chemical inertness, and mechanical strength, making it suitable for high-temperature and chemically aggressive environments. The silicone elastomer offers excellent flexibility, a wide operating temperature range (-55°C to 200°C), and good resistance to weathering and ozone. This combination ensures long-term sealing integrity in critical fluid and gas 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 mating surfaces are clean and free from debris. 2. Carefully place the O-ring into its designated groove. 3. Compress the O-ring evenly during assembly, avoiding over-stretching or 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
O-ring stretching or twisting during installation.Gently maneuver the O-ring into the groove, using appropriate tools if necessary, to prevent deformation. Ensure it sits flat without any twists.
Using incompatible cleaning agents on the O-ring.Refer to the material compatibility chart for silicone and 304 stainless steel. Use only approved cleaning solutions that will not degrade the elastomer or corrode the metal.

Common Applications

  • Chemical processing equipment
  • Food and beverage machinery
  • High-temperature industrial ovens
  • Pharmaceutical manufacturing

⚠️ Engineering Warnings

  • Verify chemical compatibility with the specific media being sealed.
  • Avoid exposing to excessive UV radiation or temperatures beyond the specified operating range.

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: Chemical processing equipment, Food and beverage machinery, High-temperature industrial ovens, Pharmaceutical manufacturing.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 4.993"CS = 0.203"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.