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1000/400/500 Series MIL-C-4109 Industrial Interchange Air Quick Disconnect, Female Half, -04 Coupling, 1/4-18 Female NPT

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Description & Features

The Danfoss / Eaton Hansen 1000 Series Quick Disconnect Couplings Socket meets the MIL-C-4109 specifications for industrial interchangeability, ensuring compatibility across various applications. This female half, -04 coupling with 1/4-18 Female NPT threads features a manual retract latch design and Buna-N seals for secure and efficient connections.

Engineered for general pneumatics, construction, and industrial plant use, it includes a protective collar that prevents accidental disconnection. The zinc-plated steel body swivels 360deg;, reducing hose kinking and allowing for peak tool performance due to its high flow and low pressure drop design.

MPN: C1LW51

Supplier Part Number: 1000E

Specifications

Brand
Danfoss
Connection Size 1
1/4 in
Connection Size 2
1/4 in
Connection Style
Manual
Connection Type
FNPT, Hose
Connection Type 1
Female NPTF
Connection Type 2
Hose
Dimensions
2.08 in L x 1 in W x 1 in H
Finish
Nickel-Plated
Fitting Type
Coupling
Fluid Compatibility
Compressed Air, Gases and Liquids
For Use With
Compressed Air, Gases and Liquids
Hex Size
11/16 in
Latch Type
Push-to-Connect
Material
Brass
Material Construction
Brass
Operating Temperature
-40 to 250 deg F
Seal Material
NBR
Series
1000 Series
Thread Size
1/4-18
Valve Type
2-Way

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Product Questions & Answers (2)

Question by: Johnny M on Mar 25, 2025, 1:48 PM
got a 1/4-18 female npt air line, is this the right female quick connect end for it?
Answer by: Customer Support on Mar 26, 2025, 4:54 PM
This socket has 1/4-18 female NPTF threads and it is a -04 size female half. If your air line end is 1/4-18 male NPT, it threads on as the female coupler side.
Question by: Carl B on Jan 31, 2026, 1:46 PM
Will this quick disconnect work alright for general shop air?
Answer by: Customer Support on Feb 1, 2026, 7:21 PM
This Eaton/Danfoss Hansen coupling socket is definitely suitable for general pneumatics applications. Plus, it's built to meet MIL-C-4109 standards for industrial interchange, meaning it should be compatible with a bunch of different setups.

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