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

Buna-N O-Ring | 316 Stainless Steel | 9.966" ID

Expert Overview

This high-performance Buna-N O-ring, housed in a robust 316 stainless steel casing, ensures superior sealing integrity. Engineered for critical applications requiring resilience and longevity.

StandardASME B18
Material316 Stainless Steel
FinishPassivated
GradeN/A
Inside Diameter9.966"
Outside Diameter5.802"
Cross Section0.237"

Detailed Engineering Specifications

Precision-manufactured to tight tolerances, this industrial O-ring features an inside diameter of 9.966 inches and an outside diameter of 5.802 inches, with a precise cross-section of 0.237 inches. The Buna-N elastomer provides excellent resistance to oils, fuels, and hydraulic fluids, while the 316 stainless steel housing offers exceptional corrosion resistance, making it ideal for harsh chemical and extreme temperature environments. This combination ensures reliable, leak-free performance in demanding industrial operations.

🧊 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 and O-ring are clean and free of debris. 2. Lightly lubricate the O-ring with a compatible lubricant if recommended for the application. 3. Carefully install the O-ring into its designated groove, avoiding any twisting or stretching.

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)16.0 - 18.0%
Nickel (Ni)10.0 - 14.0%
Molybdenum (Mo)2.0 - 3.0%

Temperature & Environment Rating

Min Operating Temp
-320°F (-195°C)
Max Continuous Temp
1500°F (815°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 / SaltwaterExcellent
Chemical / AcidicGood

Common Mistakes & How to Avoid Them

❌ Mistake✅ Correct Approach
Using excessive force during installation, leading to O-ring damage or distortion.Apply gentle, even pressure during installation. If resistance is met, re-evaluate the groove and O-ring fit.
Incorrectly sizing the O-ring for the application, resulting in leaks or premature failure.Always verify O-ring dimensions against the groove specifications and application requirements before installation.

Common Applications

  • Hydraulic Systems
  • Pneumatic Systems
  • Chemical Processing Equipment
  • Oil and Gas Exploration

⚠️ Engineering Warnings

  • Ensure compatibility of O-ring material with the specific fluid or gas being sealed.
  • Avoid exposure to temperatures outside the specified operating range for Buna-N elastomers.

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 316 Stainless Steel.

Q: What are the main applications?

A: Hydraulic Systems, Pneumatic Systems, Chemical Processing Equipment, Oil and Gas Exploration.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 9.966"CS = 0.237"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.