3000/4000/5000/6000 Series MIL-C-4109 Industrial Interchange Air Quick Disconnect, Female Half, -04 Coupling, 1/4-18 Female NPT

Description & Features

The Danfoss / Eaton Hansen 3000 Series Quick Disconnect Couplings Socket is engineered for diverse industrial applications including breathing air, general pneumatics, maintenance & repair, and fluid transfer. Featuring a brass body with Buna-N seals, this coupling ensures durability and a reliable seal. It incorporates an automatic sleeve lock mechanism, making it practical for one-hand push-to-connect operation. The protective collar minimizes accidental snagging and disconnection while its 360deg; swivel design helps prevent hose kinking. Meets MIL-C-4109 requirements for industrial interchangeability. The coupling accepts male halves from Aeroquip FD40 Series, Aeroquip FD41 Series (Aro 210), Tru-Flate, and Parker (Automotive). Operating at maximum pressures of 500 PSI (Aeroquip models), 360 PSI (Oetiker models), and 300 PSI (Milton and Dixon models), it provides robust performance. End type is NPTF with a 1/4-18 thread, ensuring secure connections. Standard features include a pin latching mechanism and rust-resistant heavy-duty brass construction. Manufactured by Danfoss Power Solutions (II LLC Aeroquip), this reliable quick disconnect coupling is a preferred choice for various industrial needs.

Supplier Part Number: 3000SL

Specifications

A
2.11
Application
Industrial Breathing Air, General Pneumatics, Maintenance & Repair, Fluid Transfer
B
1.19
Coupling Size
-04
Brand
Danfoss Power Solutions (II LLC Aeroquip)
Brand
Aeroquip
Pack Size
1.00
UOM
EA
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
Minimum Working Temperature
-40
Safety locking Mechanism
Sleeve lock
Seal Material
Buna-N
Supplier Part Number
3000SL
Thread 1
1/4-18
Thread Sealant
No
Alternate Part Numbers
Alternate Part Number C1LX15, Alternate Part Number MI-00282957, Alternate Part Number MINO-00015X05432, Alternate Part Number MINO-00402F29903
Product Weight
0.29 lbs

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Product Questions & Answers (2)

Question by: Hubert S on Jul 10, 2025, 2:23 PM
got a hose with 1/4-18 female NPT threads. is this the right quick connect socket for that?
Answer by: Customer Support on Jul 11, 2025, 9:59 PM
The threaded end on this female quick disconnect is 1/4-18 female NPTF, and it is a -04 coupling size. It is the female half (socket) of the Industrial Interchange style that meets MIL-C-4109 dimensional requirements.
Question by: Norm J on Jan 18, 2026, 12:57 PM
Will this quick disconnect work with my FD40 series male ends?
Answer by: Customer Support on Jan 20, 2026, 6:09 AM
Absolutely, this female half is designed to interchange with Aeroquip FD40 Series male halves, as well as FD41 Series, Tru-Flate, and Parker (Automotive) models.