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Danfoss / Eaton Adapter Pipe Plug SQUARE HEAD 04MP

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Description & Features

Constructed from carbon steel with Dura-Kote plating, this 1/4 in. NPTF male square head pipe plug delivers reliable corrosion resistance in demanding hydraulic circuit applications. The Danfoss / Eaton Adapter Pipe Plug Square Head 04MP is part of the Aeroquip FF4177 Series, which is rated for operating pressures above SAE standards and available in hundreds of styles to support design flexibility across a wide range of system configurations.

The male NPTF end provides a pressure-tight, thread-form seal suited for use in hydraulic circuits where leak-free port closure is required. Rated for a minimum working temperature of -40°F, this fitting maintains performance in cold-environment industrial applications.

SKU: FF4177-04S

Supplier Part Number (MPN): FF4177-04S

Specifications

Brand
Aeroquip® by Danfoss
Connection Size 1
1/4 in
Connection Size 2
1/4 in
Connection Type
NPT
Connection Type 1
NPTF
Dimensions
0.51 in L
Finish
Zinc-Plated
Fitting Type
Adapter
Material
Carbon Steel
Material Construction
Carbon Steel
Operating Temperature
-40 to 250 deg F
Series
FF4177 Series
Thread Sealant
Without Thread Sealant

Product Questions & Answers (1)

Question by: Larry H on Sep 20, 2025, 4:36 PM
Will this plug hold up in cold weather, like if I'm using it outside in the winter?
Answer by: Customer Support on Sep 22, 2025, 6:07 AM
Rated for a minimum working temperature of -40°F, this fitting should maintain its performance even in cold industrial environments.

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