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304 Stainless Steel O-Ring: Buna-N Seal, 9.621" ID, 1.794" OD

Expert Overview

This robust Buna-N O-ring, crafted from premium 304 stainless steel, offers exceptional sealing integrity. Engineered for reliability, it provides a durable solution against harsh chemicals and extreme temperatures.

StandardASME B18
Material304 Stainless Steel
FinishZinc Plated
GradeN/A
Inside Diameter9.621"
Outside Diameter1.794"
Cross Section0.163"

Detailed Engineering Specifications

Designed for demanding industrial environments, this O-ring features a precise inside diameter of 9.621 inches, an outside diameter of 1.794 inches, and a cross-section of 0.163 inches. The Buna-N (Nitrile Butadiene Rubber) material provides excellent resistance to oils, fuels, and many hydraulic fluids, while the 304 stainless steel construction offers superior corrosion resistance and mechanical strength. This combination makes it ideal for applications requiring high performance and longevity in challenging conditions such as fluid power systems, chemical processing equipment, and automotive applications.

🧊 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 surfaces are clean and free of debris. 2. Carefully place the O-ring into the designated groove, avoiding stretching or twisting. 3. Apply a light lubricant compatible with the O-ring material and the fluid being sealed, if recommended for the application.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardASME B18

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 or overtensioning the O-ring during installation.Install the O-ring without excessive stretching. It should fit snugly into the groove without being distorted.
Using incompatible lubricants or cleaning agents.Always consult material compatibility charts to ensure lubricants and cleaning agents will not degrade the Buna-N material or the stainless steel.

Common Applications

  • Hydraulic and pneumatic systems
  • Chemical processing equipment
  • Automotive fuel and oil systems

⚠️ Engineering Warnings

  • Not suitable for applications involving strong oxidizing agents or ketones.
  • Operating temperature range should be carefully considered to maintain seal integrity.

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 and pneumatic systems, Chemical processing equipment, Automotive fuel and oil systems.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 9.621"CS = 0.163"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.