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Danfoss / Eaton Coupling

Description & Features

Constructed from brass, this 3/16 in. female-to-female union is designed for instrumentation, hydraulic, and pneumatic system connections where reliable tube or hose joining is required. Both ends accept line, hose, or tube connections, making it well suited for inline union applications across a range of industrial environments.

The Danfoss / Eaton Coupling features Dura-Kote plating for corrosion resistance and is rated to operate at pressures above SAE standards, with a minimum working temperature of -65°F. Available across hundreds of fitting styles, it offers broad design flexibility for varied system configurations.

SKU: IG621X3

Supplier Part Number (MPN): 621X3

Specifications

Application Other - Instrumentation, hydraulic, and pneumatic systems	End Gender 1 13553	End Gender 2 13555	End Size 1 0.19	End Size 2 0.19	End Type 1 Line/Hose/Tube	End Type 2 Line/Hose/Tube	Features Dura-Kote plating for superior corrosion resistance\|Design flexibility with hundreds of styles to choose from\|Higher operating pressures above SAE standards	Hex Size 2 0.44	ICC Union Adapters	Item Type Line/Hose/Tube Female/Line/Hose/Tube Female Union	Language English	Minimum Working Temperature -65	Net Pack Quantity Units EA	NMFC 60	Product Material Brass	Product Width 0.44	Sub Brand None	Supplier Part Number 621X3	Product Weight 0.04 lbs

Product Questions & Answers (1)

Question by: Merle P on Nov 5, 2025, 1:47 PM

What kind of stuff can I hook up to this? I'm needing to join some lines in my hydraulic setup.

Answer by: Customer Support on Nov 7, 2025, 6:02 AM

It’s made for instrumentation, hydraulic, and pneumatic systems, so it should work fine for joining lines, hoses or tubes in those kinds of setups.