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1000/400/500 Series MIL-C-4109 Industrial Interchange Air Quick Disconnect, Female Half, -08 Coupling, 1/2-14 Female NPT

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Description & Features

The Danfoss / Eaton Hansen 500 Series Quick Disconnect Couplings Socket is engineered for general pneumatics construction and industrial plants. This coupling compliant with MIL-C-4109 specifications ensures reliable industrial interchangeability.

Manufactured with zinc-plated steel the coupling features a manual retract latch for efficient hose line connections. Its sleeve lock provides a secure protective collar against unintentional disconnection. The 360deg; swivel design helps prevent hose kinking.

Designed for high flow and low pressure drop it enhances tool efficiency across various applications. The standard Buna-N seal material and a 1/2-14 NPT female end type underline its robust construction.

Supplier Part Number: 520

Specifications

A
3.06
Application
General Pneumatics, Construction, Industrial Plants
B
1.19
Coupling Size
-08
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 2
0.50
End Type 1
Push to Connect
End Type 2
FPT
Minimum Working Temperature
-40
Safety locking Mechanism
Sleeve lock
Seal Material
Buna-N
Supplier Part Number
520
Thread 1
1/2-14
Thread Sealant
No
Alternate Part Numbers
Alternate Part Number C1LB53
Product Weight
0.01 lbs

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Product Questions & Answers (2)

Question by: Duane L on Sep 11, 2025, 7:47 AM
does this thing work with standard industrial interchange fittings or is it some proprietary setup i gotta worry about
Answer by: Customer Support on Sep 12, 2025, 8:33 PM
Built to MIL-C-4109 specifications, it meets the dimensional requirements for industrial interchange, so it'll connect with other fittings in the 1000, 400, and 500 Series that follow the same standard. No proprietary gotchas to deal with.
Question by: Ricky C on Jul 12, 2025, 7:52 PM
Will this fitting work with standard air hoses in my shop?
Answer by: Customer Support on Jul 14, 2025, 5:25 PM
This quick disconnect socket is designed to meet MIL-C-4109 specifications, ensuring it's interchangeable with other industrial air fittings that follow the same standard. It's made for general pneumatics, so it should work just fine with your shop's air hoses if they're also built to that standard.