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Buna-N O-Ring, 316 Stainless Steel, 4.809" OD

Expert Overview

This high-performance Buna-N O-ring, encased in durable 316 stainless steel, delivers exceptional sealing integrity. Engineered for resilience, it prevents leakage in critical fluid and gas systems under extreme pressures and temperatures.

StandardASME B18
Material316 Stainless Steel
FinishAnodized
GradeN/A
Inside Diameter8.732"
Outside Diameter4.809"
Cross Section0.083"

Detailed Engineering Specifications

Designed for demanding industrial environments, this Buna-N O-ring features a robust 316 stainless steel construction for superior corrosion resistance and mechanical strength. The 4.809" outside diameter, 8.732" inside diameter, and 0.083" cross-section are precision-engineered to ensure a tight, leak-proof seal. Buna-N (Nitrile Butadiene Rubber) provides excellent resistance to oils, fuels, and many hydraulic fluids, making it ideal for applications involving petrochemicals, automotive, and general industrial machinery where chemical compatibility and reliable performance are paramount.

🧊 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. Clean the mating groove and sealing surfaces thoroughly. 2. Lightly lubricate the O-ring with a compatible lubricant. 3. Carefully install the O-ring into the groove, avoiding any nicks or cuts.

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
Overstretching the O-ring during installation.Ensure the O-ring is sized correctly for the groove and install it without excessive pulling.
Using incompatible lubricants or cleaning agents.Always verify lubricant and cleaning agent compatibility with Buna-N and 316 stainless steel.

Common Applications

  • Hydraulic systems
  • Pneumatic systems
  • Chemical processing equipment

⚠️ Engineering Warnings

  • Not suitable for use with strong oxidizing agents.
  • Avoid exposure to ozone and UV radiation which can degrade Buna-N.

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.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 8.732"CS = 0.083"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.