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Buna-N O-Ring, 3.237" ID, 0.962" OD, 316 Stainless Steel

Expert Overview

This industrial O-ring, constructed from robust 316 stainless steel, offers exceptional sealing capabilities. Its precise dimensions ensure reliable performance in critical applications where durability and chemical resistance are paramount.

StandardDIN 933
Material316 Stainless Steel
FinishZinc Plated
GradeN/A
Inside Diameter3.237"
Outside Diameter0.962"
Cross Section0.255"

Detailed Engineering Specifications

Precision-manufactured to tight tolerances, this Buna-N O-ring boasts an Inside Diameter of 3.237 inches, an Outside Diameter of 0.962 inches, and a Cross Section of 0.255 inches. The 316 stainless steel construction provides excellent corrosion resistance, making it ideal for use in aggressive chemical environments, high-temperature applications, and systems requiring superior mechanical strength. The Buna-N (Nitrile) material offers good resistance to oils, fuels, and many hydraulic fluids, ensuring long-term sealing integrity and preventing leakage in critical industrial machinery and fluid power 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 the mating groove surfaces are clean, dry, and free from debris. 2. Carefully inspect the O-ring for any nicks, cuts, or imperfections before installation. 3. Lubricate the O-ring lightly with a compatible lubricant to facilitate smooth insertion and prevent damage during assembly.

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)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.Apply gentle, even pressure during installation, utilizing a lubricant if necessary to aid smooth seating.
Installing the O-ring into a contaminated or damaged groove.Thoroughly clean and inspect the groove for any sharp edges, burrs, or debris prior to fitting the O-ring.

Common Applications

  • Hydraulic systems
  • Pneumatic equipment
  • Chemical processing equipment

⚠️ Engineering Warnings

  • Not suitable for exposure to ozone, UV, or weathering.
  • Verify chemical compatibility with the specific fluid or gas being sealed.

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 equipment, Chemical processing equipment.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 3.237"CS = 0.255"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.