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Danfoss / Eaton Male SAE ORing X FemaleS

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Description & Features

Constructed from carbon steel with Dura-Kote plating, this fitting delivers reliable corrosion resistance in demanding hydraulic environments. The Danfoss / Eaton Male SAE ORing X Female Stc is a straight adapter connecting a 9/16" Male SAE ORB end to a 3/8" Female STC end, making it well-suited for hydraulic line connections requiring a secure, leak-resistant seal. It meets DIN 2ST, SAE J1176, and ASTM B117 certifications, and is rated for operating pressures above standard SAE specifications. The minimum working temperature is -40°F, supporting use in cold-climate and industrial applications. Available through Danfoss Power Solutions (formerly Aeroquip), this fitting is part of a broad range of adapter styles designed to accommodate varied configuration requirements.

SKU: FF3042-0606S

Supplier Part Number (MPN): FF3042-0606S

Specifications

Brand
Aeroquip® by Danfoss
Connection Size 1
3/8 in
Connection Size 2
3/8 in
Connection Type
Female STC, Male SAE ORB
Connection Type 1
Male SAE ORB
Connection Type 2
Female STC
Dimension Standards
SAE J1926/J1176
Dimensions
28.7 mm L
Finish
Dura-Kote™
Fitting Type
Adapter
Hex Size
19 mm
Material
Steel
Material Construction
Carbon Steel
nmfc
50
Operating Temperature
-40 to 250 deg F
Seal Material
NBR
Series
FF3042 Series
Thread Size
9/16-18

Product Questions & Answers (3)

Question by: Glen B on Jun 13, 2025, 7:35 AM
got a hose setup with a 9/16 ORB on one side and need to land it into a 3/8 female STC. is that what this adapter is for?
Answer by: Customer Support on Jun 14, 2025, 12:38 PM
For tying those two ends together, it is a straight adapter with a 9/16 inch male SAE ORB on one side and a 3/8 inch female STC on the other, meant for a secure hydraulic line connection.
Question by: Ray G on Sep 11, 2025, 8:10 AM
Will this fitting hold up in a hydraulic system that sees some pretty cold weather?
Answer by: Customer Support on Sep 12, 2025, 3:39 PM
This fitting has a minimum working temperature of -40°F, making it suitable for cold-climate and industrial applications.
Question by: Rod C on Sep 25, 2025, 7:09 PM
What exactly is the connection setup on this fitting? Got a 9/16 male end on one side and trying to figure out what the other side hooks up to.
Answer by: Customer Support on Sep 27, 2025, 4:14 PM
One end is a 9/16" Male SAE O-Ring Boss, and the other is a 3/8" Female STC. The SAE ORB side threads into a port and seals with an o-ring rather than relying on thread sealant. The STC end accepts a matching female push-to-connect or swaged fitting on the hose side. It's a straight adapter, so there's no angle or offset built in.

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