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O-Ring for SAE O-Ring Boss (Straight Thread O-Ring) Fittings & Adapters, 0.63 Inch

Description & Features

This high-performance Danfoss / Eaton spare part is manufactured to meet stringent conditions. Reliable and durable, it is ideal for Split Flange Kits & O-Rings applications.

With an inner diameter (I.D.) of 0.755 inches and an outer diameter (O.D.) of 0.949 inches, this product is precisely engineered for optimal performance. The material, Buna-N (90 durometer), ensures resilience within a temperature range of -30 to +250 degrees Fahrenheit.

Suitable for SAE O-Ring Boss fittings and adapters, this product has a width (E) of 0.097 inches and a tube size of 0.625 inches, providing an accurate seal for industrial applications. It is essential for maintaining the integrity of various mechanical connections.

The advanced specifications of this o-ring make it an indispensable component in mission-critical settings. The absence of thread sealant guarantees a clean fit without additional compounds.

MPN: EAR99

Supplier Part Number: 22617-10

Specifications

Brand Aeroquip® by Danfoss	Color Black	Dash Size 10	Durometer 90	Inside Diameter 0.76 in	Material Buna-N	Series 22617 Series	Suitable For Use With 0.63 in Straight Thread O-ring Fittings	Width e Dimensions 0.097 in

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22617-8 ORB Fitting/Adapter O-Ring	08	0.64 in	0.82 in
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22617-5 ORB Fitting/Adapter O-Ring	05	0.31 in
22617-4 ORB Fitting/Adapter O-Ring	04	0.35 in
22617-6 ORB Fitting/Adapter O-Ring	06	0.475 in
22617-12 ORB Fitting/Adapter O-Ring	12

Product Questions & Answers (3)

Question by: Wade W on Jan 2, 2026, 3:24 PM

trying to replace an o-ring on an SAE o-ring boss straight thread fitting, is this the right size for a 5/8 tube?

Answer by: Customer Support on Jan 4, 2026, 6:38 AM

For a 0.625 inch tube size, this O-ring matches that tube callout and it’s listed for SAE O-ring boss (straight thread) fittings and adapters. The actual ring dimensions are 0.755 inch ID, 0.949 inch OD, with a 0.097 inch width.

Question by: Larry H on Jun 17, 2025, 8:03 PM

what's the temp range on this o-ring? got a application that sees some heat and want to make sure it'll hold up

Answer by: Customer Support on Jun 19, 2025, 7:49 AM

Buna-N at 90 durometer handles anywhere from -30 up to 250 degrees Fahrenheit, so it's got a solid working range for most hydraulic setups running elevated temps. As long as your system stays within that window, the material holds its shape and sealing properties without breaking down.

Question by: Sherry A on Sep 5, 2025, 8:26 PM

Will this o-ring work with a standard SAE fitting?

Answer by: Customer Support on Sep 7, 2025, 6:05 AM

This O-ring is specifically made for SAE O-ring boss fittings and adapters, so it should be a good fit.

O-Ring for SAE O-Ring Boss (Straight Thread O-Ring) Fittings & Adapters, 0.63 Inch

Description & Features

Specifications

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Product Questions & Answers (3)