Home > Sealing > Industrial O-Ring, Buna-N

Buna-N Industrial O-Ring, 304 Stainless Steel, 1.106" ID

Expert Overview

Engineered for demanding environments, this Buna-N industrial O-ring, housed within a robust 304 stainless steel frame, provides superior sealing integrity. Its precise dimensions ensure a leak-proof fit in critical industrial systems.

StandardASTM A106
Material304 Stainless Steel
FinishZinc Plated
GradeN/A
Inside Diameter1.106"
Outside Diameter4.730"
Cross Section0.259"

Detailed Engineering Specifications

Specified by design engineers worldwide, this industrial O-ring is constructed from high-performance Buna-N (Nitrile Butadiene Rubber) for excellent resistance to oils, fuels, and many hydraulic fluids. The integrated 304 stainless steel housing offers exceptional corrosion resistance and mechanical strength, making it ideal for applications exposed to harsh chemicals or extreme temperatures. With a precise inside diameter of 1.106 inches, an outside diameter of 4.730 inches, and a substantial cross-section of 0.259 inches, this seal guarantees reliable performance in static and dynamic sealing applications within the chemical processing, automotive, 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. Inspect both the O-ring and the sealing groove for any debris, damage, or imperfections. 2. Lightly lubricate the O-ring with a compatible lubricant to ease installation and prevent damage. 3. Carefully insert the O-ring into the designated groove, ensuring it sits evenly and is not twisted.

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 tearing or permanent deformation.Apply a compatible lubricant and use gentle, even pressure during insertion. If resistance is encountered, re-inspect the groove and O-ring for obstructions or incorrect size.
Not verifying the O-ring material's compatibility with the fluid or environment.Always consult chemical compatibility charts to ensure Buna-N is suitable for the intended application. If exposure to certain solvents or extreme temperatures is present, consider alternative materials.

Common Applications

  • Hydraulic Systems
  • Pneumatic Cylinders
  • Fluid Power Applications
  • Chemical Processing Equipment
  • Automotive Fuel Systems

⚠️ Engineering Warnings

  • Not suitable for applications involving ozone, UV radiation, or strong acids.
  • Ensure the O-ring is rated for the operating temperature range of the application.

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 304 Stainless Steel.

Q: What are the main applications?

A: Hydraulic Systems, Pneumatic Cylinders, Fluid Power Applications, Chemical Processing Equipment, Automotive Fuel Systems.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 1.106"CS = 0.259"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.