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Buna-N O-Ring, 2.107" ID, 2.995" OD, 304 SS - Industrial Seal

Expert Overview

Engineered for superior sealing, this Buna-N O-ring features a 304 stainless steel construction for exceptional durability. Its precise dimensions ensure a reliable fit and long-lasting performance in critical applications.

StandardDIN 933
Material304 Stainless Steel
FinishPassivated
GradeN/A
Inside Diameter2.107"
Outside Diameter2.995"
Cross Section0.201"

Detailed Engineering Specifications

A high-performance industrial component, this Buna-N O-ring is manufactured to stringent tolerances, boasting an Inside Diameter of 2.107 inches, an Outside Diameter of 2.995 inches, and a Cross Section of 0.201 inches. The Buna-N (Nitrile Butadiene Rubber) material offers excellent resistance to oils, fuels, and many hydraulic fluids, making it suitable for a wide range of operating temperatures. The 304 stainless steel housing provides superior corrosion resistance and mechanical strength, ensuring integrity in aggressive chemical and high-pressure environments.

🧊 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 and mating surfaces are clean and free of debris. 2. Carefully install the O-ring into the designated groove, avoiding any stretching or twisting. 3. Apply a thin layer of compatible lubricant if recommended for the application to facilitate installation and prevent initial damage.

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 of fasteners, leading to O-ring extrusion or damage.Adhere to specified torque values for fasteners to prevent over-compression of the O-ring.
Using incompatible lubricants that degrade the Buna-N material.Consult material compatibility charts and use only lubricants specifically approved for Buna-N and the operating environment.

Common Applications

  • Hydraulic Systems
  • Automotive Fuel Systems
  • Chemical Processing Equipment

⚠️ Engineering Warnings

  • Not suitable for applications involving ozone, strong acids, or ester-based brake fluids.
  • Operating temperature limits of Buna-N must be observed to prevent premature material degradation.

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, Automotive Fuel Systems, Chemical Processing Equipment.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 2.107"CS = 0.201"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.