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Danfoss / Eaton Coupling

Description & Features

Constructed from brass with Dura-Kote plating for corrosion resistance, this Push-to-Connect Female to NPTF Male union adapter connects 3/8 in. push-to-connect tubing to a 3/4 in. NPTF male fitting. The Danfoss / Eaton Coupling is part of the Weatherhead line, engineered to operate at pressures above SAE standards while offering broad configuration compatibility across hundreds of fitting styles.

Rated for use in air brake systems where temperatures do not exceed +200°F, this adapter is not suitable for fuel, water, or oil service. The 0.94 in. hex and swivel union design simplify installation and alignment in tight assemblies. Brass construction and the Dura-Kote finish make it well-suited for demanding environments where corrosion resistance is a priority.

SKU: IG1873X6X6

Supplier Part Number (MPN): 1873X6X6

Specifications

Application Air brake systems except where temperatures exceed +200°F or where battery acid can drip on tubing. Not for fuel, water or oil.	End Gender 1 13553	End Gender 2 13556	End Size 1 0.38	End Size 2 0.75	End Type 1 Push to Connect	End Type 2 NPTF	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 0.94	ICC Union Adapters	Item Type Push to Connect Female/NPTF Male Union	Language English	Product Material Brass	Product Width 0.94	Sub Brand Weatherhead	Supplier Part Number 1873X6X6	Product Weight 0.16 lbs

Product Questions & Answers (1)

Question by: Larry C on Mar 19, 2026, 7:39 AM

So, this thing is brass, right? How well does that hold up outside where it might get rained on or something?

Answer by: Customer Support on Mar 20, 2026, 9:02 PM

Dura-Kote plating on the brass construction provides good corrosion resistance, making it suitable for demanding environments.