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Brass Adapter, 1/4-18 Female NPT Coupling

Description & Features

Rated for use in grease, refrigeration, instrumentation, and hydraulic systems, this 1/4-18 NPTF brass coupling provides a reliable pipe-to-pipe connection in demanding service environments. Fuel, LP, and natural gas compatibility is available on special order. The fitting is manufactured from brass and carries a minimum working temperature rating of -65°F, making it suitable for cold-climate and low-temperature fluid system applications.

The Brass Adapter, 1/4-18 Female NPT Coupling features female NPTF threads on both ends at a 1/4-18 thread specification, with an overall length of 1.12 inches. Sourced from Danfoss / Eaton Pipe Products under catalog number C1GU50, it is a compact, dual-female reducer coupling designed for secure, leak-resistant connections in industrial fluid systems.

SKU: IG3300X4

Supplier Part Number (MPN): 3300X4

Specifications

Application Grease, refrigeration, instrumentation and hydraulic systems. Fuel, LP and natural gas available on special order.	End Gender 1 13553	End Gender 2 13555	End Size 1 0.25	End Size 2 0.25	End Type 1 NPTF	End Type 2 NPTF	L 1.12	Minimum Working Temperature -65	Supplier Part Number 3300X4	Thread 1 1/4-18	Thread Sealant No	Product Weight 0.09 lbs

Product Questions & Answers (1)

Question by: Shane W on Nov 10, 2025, 3:07 PM

What kind of stuff can this handle besides hydraulics? I'm working with some refrigeration lines and need adapters.

Answer by: Customer Support on Nov 12, 2025, 2:12 PM

This adapter is rated for grease, refrigeration, instrumentation, and hydraulic systems. Fuel, LP, and natural gas compatibility is available on special order.