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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

A
2.08
Application
General Pneumatics, Construction, Industrial Plants
B
1
Coupling Size
-04
Brand
Danfoss Power Solutions (II LLC Aeroquip)
Brand
Aeroquip
Pack Size
1.00
UOM
EA
End Gender 1
13553
End Size 1
0.25
End Size 2
0.25
End Type 1
NPTF
End Type 2
NPTF
Minimum Working Temperature
-40
Seal Material
Buna-N
Supplier Part Number
1000E
Thread 1
1/4-18
Thread Sealant
No
Alternate Part Numbers
Alternate Part Number C1LW51, Alternate Part Number MI-00284869, Alternate Part Number MINO-00402F31906
Product Weight
0.22 lbs

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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.