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Industrial O-Ring, Buna-N, 316 Stainless Steel, 7.842" ID

Expert Overview

This industrial O-ring, constructed from robust Buna-N and encapsulated within a 316 stainless steel housing, offers exceptional sealing performance. Its precise dimensions ensure a reliable fit for critical applications requiring superior chemical and thermal resistance.

StandardISO 9001
Material316 Stainless Steel
FinishBlack Oxide
GradeN/A
Inside Diameter7.842"
Outside Diameter7.994"
Cross Section0.264"

Detailed Engineering Specifications

Manufactured under strict quality controls, this industrial O-ring boasts an Inside Diameter of 7.842 inches and an Outside Diameter of 7.994 inches, with a precise Cross Section of 0.264 inches. The Buna-N elastomer provides excellent resistance to oils, fuels, and hydraulic fluids, while the 316 stainless steel casing ensures exceptional corrosion resistance and structural integrity, making it suitable for high-pressure and chemically aggressive environments. This combination guarantees long-term sealing reliability in diverse industrial settings.

🧊 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 grooves are clean, free from debris, and properly lubricated with a compatible lubricant. 2. Carefully place the O-ring into the groove, ensuring it sits flat without any twisting or stretching. 3. Assemble the mating components, applying even pressure to compress the O-ring to the specified sealing force.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardISO 9001

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 or twisting the O-ring during installation.Handle the O-ring gently, ensuring it is placed squarely into the groove without deformation. Use appropriate installation tools if necessary.
Using incompatible lubricants that degrade the Buna-N elastomer.Consult the material compatibility charts for Buna-N and select a lubricant specifically recommended for this application and environment.

Common Applications

  • Hydraulic and pneumatic systems
  • Automotive and aerospace fluid handling
  • Chemical processing equipment

⚠️ Engineering Warnings

  • Ensure material compatibility with the specific fluid and operating temperature range.
  • Avoid exposure to ozone, UV radiation, and strong oxidizing agents, 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 and pneumatic systems, Automotive and aerospace fluid handling, Chemical processing equipment.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 7.842"CS = 0.264"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.