AS568-004 GV75 Chemical Resistant Fluorocarbon FKM O-Rings Green

1/16" ID X 3/16" OD X 1/16" CS

AS568-004 green fluorocarbon FKM 75 durometer O-Ring designed for chemical resistance, fuel resistance, oil resistance, and reliable sealing in demanding applications.

The desired outcome is a dependable chemical-resistant O-Ring that helps prevent leaks, reduce downtime, and keep equipment running. The GV75004 is made from green 75 durometer fluorocarbon FKM, giving customers a strong sealing option for applications exposed to oils, fuels, many chemicals, and higher temperatures.

This O-Ring is a good choice for maintenance teams, OEMs, repair shops, and industrial users who need a more chemical-resistant seal than standard Buna-N. The green color also helps with material identification, making it easier for purchasing, quality, and maintenance teams to confirm the right seal is being used.

Operating Temperature

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

Material & Performance Details

Fluorocarbon FKM is valued for its excellent resistance to petroleum oils, fuels, many hydraulic fluids, and a wide range of chemicals. This 75 durometer green FKM compound provides a strong balance of sealing flexibility, compression set resistance, and durability in higher heat applications.

Excellent resistance to:

• Petroleum oils
• Gasoline
• Diesel fuel
• Mineral oils
• Silicone oils and greases
• Many hydraulic fluids
• Aromatic hydrocarbons
• Many acids
• Ozone and weathering

Limited capability with:

• Low-temperature flexibility
• Steam exposure
• Some hot water applications
• Certain amines and strong bases

Not compatible with:

• Ketones
• Acetone
• MEK
• Skydrol® phosphate ester fluids
• Ammonia
• Strong caustics
• Some brake fluids

Sizes & Measurements

• Dimensions: 1/16"ID X 3/16"OD X 1/16"CS
• Actual: 0.070"ID X 0.210"OD X 0.070"CS
• Metric: 1.78mm ID X 5.33mm OD X 1.78mm CS
• Part Number: GV75004
• AS568 Dash Number: AS568-004

Applications & Use Cases

GV75004 green FKM O-Rings are commonly used in fuel systems, chemical handling equipment, pumps, valves, hydraulic components, pneumatic systems, industrial maintenance repairs, automotive systems, and process equipment. This seal is a smart fit when the customer needs better chemical and heat resistance than Buna-N while still using a standard AS568 inch-size O-Ring.

Key Specifications

• Material: Fluorocarbon FKM
• Durometer: 75A
• Color: Green
• Certifications: Available on request when applicable by lot or compound
• Temperature range: -15° to +400°F (–26° to +204°C)
• Pressure ratings: Application dependent, based on gland design, clearance gap, pressure, and backup ring use

Why Buy from The O-Ring Store LLC

The O-Ring Store LLC makes getting O-Rings easy by helping customers order the right seal quickly and confidently. Our ISO9001:2015 certified quality processes support consistent product handling, traceability, and dependable service. We stock O-Rings in the USA for fast delivery, with same-day shipping available on in-stock items.

Customers also benefit from custom sizes, full lot traceability and documentation on request, experienced technical support, and competitive pricing without cutting corners on quality. That means fewer delays, better ordering confidence, and a smoother buying experience from people who care about helping you get the right O-Ring the first time.

FAQs

What is the GV75004 O-Ring used for?
The GV75004 is used for sealing applications where chemical resistance, oil resistance, fuel resistance, and higher temperature performance are needed.

Is GV75004 the same size as AS568-004?
Yes. GV75004 is the green FKM 75 durometer version of the AS568-004 standard inch-size O-Ring.

Is FKM better than Buna-N for chemical resistance?
In many fuel, oil, chemical, ozone, and high-temperature applications, FKM offers better resistance than Buna-N. Buna-N may still be better for cost-sensitive general-purpose sealing or lower-temperature flexibility.