O-Ring, Rubber Synthetic, Hardness Rating 70.0 Shore Durometer A
Part # S8990-012
The S8990-012 Packing O-ring is a high-quality synthetic rubber seal for aviation, fitting diameters of 0.348"-0.365" (center) and 0.493"-0.515" (outside). It operates in extreme temperatures from -65°F to 450°F, with a hardness of 70 Shore A.
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Overview
O-Ring S8990-012 is designed for effective sealing in various mechanical applications. This O-ring features a hardness rating of 70.0 Shore Durometer A nominal, providing a good balance between flexibility and resistance. The material used is synthetic rubber, which is known for its resilience and longevity. The O-Ring has a cross-sectional height that ranges from 0.065 inches minimum to 0.073 inches maximum, ensuring a snug fit in its designated grooves. Additionally, it accommodates a center hole diameter between 0.348 inches and 0.365 inches, as well as an outside diameter that spans from 0.493 inches minimum to 0.515 inches maximum. This O-Ring is temperature rated to perform effectively from -65.0 Fahrenheit to 450.0 Fahrenheit, making it suitable for various environmental conditions.
Features & Benefits
Features
Constructed from high-quality synthetic rubber for superior sealing performance.
Temperature rating of -65.0 degrees Fahrenheit to 450.0 degrees Fahrenheit for versatility in extreme conditions.
Precise dimensions with a center hole diameter of 0.348 to 0.365 inches and an outside diameter of 0.493 to 0.515 inches.
Hardness rating of 70.0 Shore Durometer A nominal for enhanced durability.
Benefits
Ensures reliable sealing to prevent leaks in critical applications.
Withstands extreme temperatures, making it ideal for diverse environments.
Provides a precise fit, enhancing the overall performance of assemblies.
Durable construction extends the lifespan of the O-ring, reducing maintenance needs.
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DISCLAIMER: Product information provided “as is.” Boeing may add, change, discontinue or remove this information at any time. Product photos may not be exact match to product delivered. Seeterms & conditions.
