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5600 Series Industrial Interchange Quick Disconnect, Female Half, -06 Coupling, 3/8-18 Female Pipe

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Description & Features

The 5600 Series Industrial Interchange Quick Disconnect, Female Half, -06 Coupling, 3/8-18 Female Pipe ensures reliable performance for hydraulic fluid transfer applications. Featuring a PUSH-PULLtrade; ball latch design, users can achieve quick and easy connections and disconnections. The self-sealing poppet valve supports excellent sealing under high and low pressure conditions.

Conforming dimensionally to ISO standard 7241/1 Series A, this coupling minimizes pressure drop due to its streamlined valving. Constructed with standard zinc plated steel body material and zinc poppet guides, durability in demanding conditions is assured. The standard seal materials include Buna-N, EPR, and Vitonreg;, providing versatile compatibility with various fluids.

Rated for a flow of 6, this coupling operates efficiently in diverse environments, including agricultural and construction equipment, in-plant manufacturing, and maintenance vehicles. Designed with push to connect and NPT end types, it supports flexible integration into existing systems. The coupling size is -06 and the thread specification is 3/8-18, with no thread sealant required.

With minimal fluid loss and air inclusion, the 5600 Series coupling enhances the efficiency of hydraulic systems. The minimum working temperature of -40 ensures reliability even in extreme conditions.

Supplier Part Number: 5601-6-6S

Specifications

A
2.09
Air Inclusion Max
1.50 Cubic_centimeter
Application
Hydraulic fluid transfer, Agricultural equipment, Construction equipment, In-plant manufacturing, Dump, snow plow and maintainance vehicles
B
1.27
Coupling Size
-06
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
0.38
End Size 2
0.38
End Type 1
Push to Connect
End Type 2
NPT
Fluid Loss
1.30 Cubic_centimeter
Minimum Working Temperature
-40
Rated Flow
6
Rated Flow
6
Seal Material
Buna-N
Seal Part if Included
22550-115
Supplier Part Number
5601-6-6S
Thread 1
3/8-18
Thread Sealant
No
Alternate Part Numbers
Alternate Part Number C1BS98, Alternate Part Number MI-06910886, Alternate Part Number MINO-00015X45481, Alternate Part Number MINO-00925X11483
Product Weight
0.37 lbs

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Product Questions & Answers (5)

Question by: Rusty S on Oct 12, 2025, 3:53 PM
seal material on this one, is it buna-n or do I need to spec something different for standard hydraulic fluid?
Answer by: Customer Support on Oct 13, 2025, 6:16 PM
Buna-N is the standard seal on this coupling, and it holds up well with most conventional hydraulic fluids. For typical petroleum-based hydraulic oil, you're in good shape right out of the box. The product line does also come in EPR and Viton options if your fluid ever calls for something different, but for everyday hydraulic fluid transfer, the Buna-N seal is what most folks are running without any issues.
Question by: Ronnie C on Jan 20, 2026, 7:10 PM
Will this fit my tractor's hydraulic line? It's a standard 3/8" NPT.
Answer by: Customer Support on Jan 22, 2026, 7:58 AM
This female quick disconnect coupling is indeed equipped with a 3/8-18 female NPT thread, so if your tractor line uses a standard male 3/8" NPT, it should fit right up.
Question by: Sheila B on Feb 7, 2026, 5:32 PM
got an old -06 socket half on a hose with 3/8-18 pipe threads, is this the right female coupler to swap in?
Answer by: Customer Support on Feb 9, 2026, 4:26 PM
It matches a -06 coupling size with a 3/8-18 female pipe (NPT) threaded end, and it is the female half (socket) of the 5600 Series Industrial Interchange style that conforms dimensionally to ISO 7241/1 Series A.
Question by: Wade H on Dec 16, 2025, 10:56 AM
Does this coupling need thread sealant when you're threading it into a female pipe port, or is it good to go as-is?
Answer by: Customer Support on Dec 18, 2025, 6:01 AM
No sealant is required on the NPT end. The 3/8-18 female pipe thread is the connection point on the back end, and the fitting is ready to install without tape or compound. Just make sure the mating port is clean and in good shape before you torque it in.
Question by: Rod W on Jun 11, 2025, 7:14 AM
Will this quick disconnect work for hydraulic fluid on my tractor?
Answer by: Customer Support on Jun 12, 2025, 7:58 PM
This 5600 series coupling is designed for hydraulic fluid transfer applications, making it suitable for agricultural equipment like tractors.