- Made of Viton (fluorocarbon elastomer) for use with a variety of chemicals and fuels
- Round cross-section to provide a seal between cylindrical overlapping surfaces
- Can be used across a wide temperature range from -15 degrees F (-26 degrees C) to 400 degrees F (205 degrees C)
- Durometer (hardness) of 75A for resistance to penetration
- Meets standards defined by Aerospace Standard AS568A
Viton O-Ring, 75A Durometer, Black
|Price:||$0.55 - $2,423.72|
|Item Hardness||75 A Durometer|
|Cross Section Shape||Round|
|Lower Temperature Rating||-15 degrees_fahrenheit|
|Upper Temperature Rating||400 degrees_fahrenheit|
|Brand Name||Small Parts|
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This Viton O-ring is black in color, round in shape, has a durometer (hardness) of 75A, and is designed for use in a wide variety of sealing applications.
Viton has excellent heat, fuel, and chemical resistance. Viton is acceptable for temperature applications between -15 degrees F (-26 degrees C) to 400 degrees F (205 degrees C). It is compatible for use with non-flammable hydraulic fuels, silicone oil, chlorinated hydrocarbons (trichlorethylene), fuels, aromatic hydrocarbons (benzene) and aliphatic hydrocarbons (propane), as well as high vacuum environments, ozone, and weathering. Viton is vulnerable to low molecular organic acids, ammonia gas, alkalis, amines, glycol-based brake fluids, and super-heated steam.
This Viton O-ring has a shore durometer of 75A. Shore durometer is the hardness of a material, and its resistance to permanent indentation. A higher durometer value indicates greater resistance to indentation on a scale of 0 to 100, with 100 indicating no indentation.
O-rings commonly provide a pressure and fluid seal between cylindrically shaped, overlapping mating surfaces and are commonly seen in engines, faucets, flanges, valves and various cylinders. They are circular in shape, with a round cross section and a hole in the center, similar to a doughnut. O-rings are available in various sizes, and can be ordered based on required nominal inside diameter (ID), outer diameter (OD), and cross-sectional (CS) diameter.
This Viton O-ring meets standards defined by Aerospace Standard AS568A, which is the Aerospace Size Standard for O-rings.
Top Customer Reviews
I searched for an O-ring that was made with longevity and direct contact with corrosive liquids in mind. The Viton O-Ring is made for direct contact with chemicals, such as fuel, oil, diesel, kerosene, white gas, unleaded gas, etc.. The AS568A #213 Viton O-Ring matched the actual dimensions of my old MSR 33oz. Fuel Bottle with gray screw on lid.
It arrived very quickly in the mail. For the price of one MSR replacement O-ring, I purchased 25 higher quality and hopefully longer lasting O-rings for the same price after S&H. I immediately replaced my old MSR 33oz. Fuel bottle's O-ring with the new O-ring. It fit perfectly as far as I could tell. Granted, the O-ring is measured in hundredths of an inch, if I was off a few, it doesn't show. The cap closed correctly, putting pressure on the O-ring. I snugged the cap up to the O-ring and then tightened another half a turn. I left the fuel bottle full of fuel upside down for a few hours with no sign of leakage. A new model MSR 30oz. fuel bottle arrived in the mail as well. I immediately put a new Viton O-ring on it as well. Time will be the true judge of quality. For the same cost as one MSR replacement O-ring, I have enough O-rings for all my MSR fuel bottles to last the rest of my life. Only a 4 star rating until the O-rings get some age and wear on them.
03/02/17 UPDATE: 224 Viton Oring 75A Durometer 1.5" x 1/8" works great for a combat ring when paired with a tailcap ring by Solar Force or SureFire. I bought the 2" OD and it is a little big.
I purchased this product at full price and just wanted to share my opinions with other consumers. This is an honest and unbiased review. All opinions expressed are genuine, truthful and impartial.