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Danfoss / Eaton ADPT 1/4FP SWIV 3/8FP

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Description & Features

The Eaton Aeroquip straight adapter offers versatile design flexibility, making it ideal for use in marine, military, chemical processing, pulp and paper, food and beverage, and off-shore drilling industries. Built with robust carbon steel, this adapter features Dura-Kote plating, ensuring superior corrosion resistance and durability. Its construction allows for higher operating pressures that exceed standard SAE limits, providing reliability in demanding environments.

Featuring a 1/4-inch NPSM female end and a 3/8-inch NPTF female end, this adapter accommodates a variety of connection needs. The Danfoss / Eaton ADPT 1/4FP SWIV 3/8FP is engineered to meet SAE 140131 certifications, ensuring compliance with industry standards. The adapter's hex size is 0.88 inches, and it maintains operational efficiency in temperatures as low as -40 degrees Fahrenheit. Weighing 1.14 lb, it is a sturdy and dependable choice for industrial applications.

SKU: 2046-4-6S

Supplier Part Number (MPN): 2046-4-6S

Alternate Part Numbers: C1AY81, MI-00321504, MINO-00015F66087

Specifications

Brand
Aeroquip® by Danfoss
Connection Size 1
1/4 in
Connection Size 2
3/8 in
Connection Type
FNPSM Swivel, FNPT
Connection Type 1
FNPSM Swivel
Connection Type 2
Female NPTF
Dimension Standards
SAE 140131
Finish
Dura-Kote™
Fitting Type
Adapter
Material
Steel
Material Construction
Carbon Steel
nmfc
50
Operating Temperature
-40
Series
2046 Series
Thread Size
3/8-18 x 1/4-18

Product Questions & Answers (3)

Question by: Keith W on Jul 5, 2025, 3:41 PM
Reckon this'll hold up alright in a marine environment? Saltwater can be a real bear on fittings.
Answer by: Customer Support on Jul 6, 2025, 6:12 PM
Dura-Kote plating gives this adapter superior corrosion resistance, which makes it suitable for marine applications.
Question by: Eddie R on Jul 17, 2025, 10:20 AM
trying to swap a hose end over, is 2046-4-6S the straight adapter that goes from 1/4 female pipe swivel to 3/8 female pipe?
Answer by: Customer Support on Jul 19, 2025, 9:31 AM
Function-wise it is a straight female-to-female adapter with a 1/4 NPSM female swivel on one end and a 3/8 NPTF female on the other. It is part of Eaton Aeroquip’s 2046 series straight adapters.
Question by: Todd E on Aug 10, 2025, 7:22 PM
what industries is this adapter rated for, and does it hold up in harsh environments?
Answer by: Customer Support on Aug 12, 2025, 1:05 PM
Carbon steel construction with Dura-Kote plating gives this fitting real staying power against corrosion, which matters a lot in places like offshore drilling, chemical processing, and pulp and paper use. It also carries certifications to SAE 140131 and is rated down to minus 40 degrees minimum working temperature, so cold environment applications are covered too. Marine, military, and food and beverage processing are all listed application areas as well.

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