AS568-916 V90 FKM/Viton® O-Rings – High Heat & Chemical Resistant Fluorocarbon (FKM) 90 Durometer Brown (SAE-16)

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The AS568-916 V90 Viton® (FKM) O-Ring from The O-Ring Store LLC is a premium, brown, 90 durometer fluorocarbon seal engineered for SAE-16 hydraulic fittings and extreme-duty environments. Built to withstand high pressure, heat, and chemical exposure, this O-Ring ensures consistent sealing integrity where standard Buna-N or softer compounds fail. The harder 90A durometer offers exceptional extrusion resistance, making it ideal for hydraulic, pneumatic, and chemical-processing systems operating under continuous stress.

Designed for precision sealing and long service life, Viton® V90 delivers superior performance across wide temperature ranges and aggressive media — reducing downtime, maintenance costs, and fluid leakage.

Operating temperature: –15° to +400 °F (–26° to +204 °C)

Material & Performance Details

Compound: Viton® / FKM Fluorocarbon
Durometer: 90 Shore A
Color: Brown

Viton® (FKM) is a high-performance fluorocarbon elastomer that resists swelling, hardening, and chemical attack even under severe thermal and pressure conditions. The 90A hardness compound maintains dimensional stability and low compression set, ensuring reliable sealing for demanding industrial applications.

Excellent resistance to:

• Petroleum-based oils, fuels, and lubricants
• Aviation and diesel fuels
• Synthetic hydraulic and mineral oils
• Ozone, UV, and environmental aging
• Aliphatic & aromatic hydrocarbons

Limited capability with:

• Ketones (e.g., acetone, MEK)
• Esters and ethers

Not compatible with:

• Brake fluids (glycol-based)
• Ammonia & amines
• Strong polar solvents

Sizes & Measurements

• Cross Section (CS): 0.103 in (2.62 mm)
• Inside Diameter (ID): 0.921 in (23.39 mm)
• Outside Diameter (OD): 1.127 in (28.63 mm)
• Part Number: AS568-916 V90 FKM
• AS568 Dash Number: 916 (SAE-16)

Applications & Use Cases

Ideal for high-pressure static and dynamic sealing in critical applications, including:

• Hydraulic & pneumatic systems
• SAE Boss and JIC fittings
• Fuel handling and delivery systems
• Oil & gas equipment and compressors
• Aerospace & marine engines
• Industrial valves, pumps, and chemical processing equipment

Key Specifications

• Material: Viton® / FKM Fluorocarbon
• Durometer: 90 Shore A
• Color: Brown
• Temperature Range: –15 °F to +400 °F (–26 °C to +204 °C)
• Pressure Rating: Up to 5,000 psi (application dependent)
• Certifications: Meets SAE J200 M2HK requirements; full lot traceability available

Why Buy from The O-Ring Store LLC

• ISO 9001:2015-certified quality assurance
• USA stock for fast delivery
• Same-day shipping on in-stock items
• Custom sizes and materials available
• Certificates of Conformance upon request
• Expert technical support and responsive service
• Competitive pricing without quality compromise

FAQs

1. Why use Viton® 90A O-Rings in hydraulic fittings?
The harder 90-durometer compound resists extrusion and maintains seal integrity in high-pressure SAE Boss and hydraulic applications.

2. Can Viton® handle diesel or aviation fuels?
Yes — Viton® offers exceptional fuel resistance and maintains elasticity under long-term fuel exposure.

3. Is brown Viton® the same as black FKM?
Both are Viton® compounds; the brown color denotes the 90 durometer high-pressure formulation optimized for heat and chemical resistance.