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O-Ring for O-Ring Face Seal Fittings & Adapters, 0.25 Inch

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Description & Features

This O-Ring for O-Ring face seal fittings and adapters is designed to provide reliable sealing performance in demanding environments. Manufactured by Danfoss Power Solutions under the Aeroquip brand, this O-Ring features a Buna-N material with a 90 durometer hardness, ensuring durability and resistance to a wide range of chemicals and temperatures.

The O-Ring has an inside diameter of 0.301 inches and an outside diameter of 0.441 inches, making it suitable for applications that require precise sealing capabilities. The operating temperature range for this O-Ring is from -40 to +250 degrees Fahrenheit, providing versatility for various industrial applications.

With a width of 0.07 inches, this O-Ring is specifically engineered for use in O-Ring face seal fittings and adapters, ensuring compatibility and optimal performance. The O-Ring does not include a thread sealant, allowing for flexibility in specific use cases.

MPN: FF9446-11

Supplier Part Number: FF9446-11

Specifications

Brand
Aeroquip® by Danfoss
Color
Black
Dash Size
11
Durometer
90
Inside Diameter
0.3 in
Material
Buna-N
Segment Code
A
Series
FF9446 Series
Suitable For Use With
SAE J518 Split Flange
Width e Dimensions
0.07 in

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Product Questions & Answers (5)

Question by: Rex D on Aug 27, 2025, 9:09 AM
What size tubing does this fit? Just wanna make sure it's right for my setup.
Answer by: Customer Support on Aug 29, 2025, 6:15 AM
These O-rings are made for use with 0.25 inch tubes.
Question by: Duane J on Aug 12, 2025, 12:54 PM
got a 1/4 inch tube size ORFS setup, is this the right little o-ring for it?
Answer by: Customer Support on Aug 13, 2025, 2:47 PM
For a 0.25 inch tube size O-Ring Face Seal fitting or adapter, this o-ring matches that size callout. It’s a Buna-N (90 durometer) ring with a 0.301 inch ID, 0.441 inch OD, and 0.07 inch width.
Question by: Billy W on Nov 7, 2025, 9:26 PM
what temp range does this o-ring hold up to? got some equipment running pretty hot and need to know if it'll handle it
Answer by: Customer Support on Nov 9, 2025, 5:51 PM
Rated from -40 up to +250 degrees Fahrenheit, so it covers a solid spread on both ends. Cold startup conditions and higher operating temps are both within range for this one.
Question by: Daryl W on Oct 20, 2025, 7:09 AM
trying to match up an old ORFS o-ring, are these the right dimensions for a 1/4 inch tube size?
Answer by: Customer Support on Oct 21, 2025, 12:27 PM
Fit comes down to the actual o-ring measurements. This one is for ORFS fittings and adapters with a 0.25 inch tube size, and the o-ring itself measures 0.301 inch ID, 0.441 inch OD, with a 0.07 inch width.
Question by: Rick G on Jul 25, 2025, 9:43 AM
What size tubing does this O-ring fit?
Answer by: Customer Support on Jul 27, 2025, 6:29 AM
It's designed to work with 0.25 inch tubing in O-ring face seal fittings and adapters.

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