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DANFOSS / EATON FLEXMASTER - CODE FX

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Description & Features

Designed for hydraulic line connections requiring fast serviceability, the Danfoss / Eaton Flexmaster - Code Fx is a carbon steel sleeve fitting suited to tube and pipe joint assemblies in industrial hydraulic systems. Both ends are female configuration with a size 5 designation, making this a symmetrical, inline connection component for line, hose, or tube terminations.

The Flexmaster sleeve connects and disconnects without tools, simplifying routine maintenance and reducing downtime during repairs. Its design also absorbs machine vibration, helping to protect adjacent components and maintain connection integrity under dynamic operating conditions. This unit ships individually and carries a standard lead time of seven days.

Fluid compatibility documentation and catalog references are available from Eaton Aeroquip for specification verification and application guidance.

SKU: NK1237-500B0650

Supplier Part Number (MPN): NK1237-500B0650

Specifications

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
5
End Size 2
5
End Type 1
Line/Hose/Tube
End Type 2
Line/Hose/Tube
Features
Quick connects and disconnects|Simplifies maintenance and repairs|Absorbs machine vibration
ICC
Tube and Pipe Joints
Item Type
Flexmaster Sleeve
Language
English
Net Pack Quantity Units
EA
NMFC
50
Product Material
Carbon steel
Product Width
5.80
Sub Brand
Flexmaster
Supplier Part Number
NK1237-500B0650
Product Weight
4.95 lbs

Related Documents

Product Questions & Answers (2)

Question by: Kent S on May 14, 2025, 8:05 PM
Does this sleeve connector work without any tools to get it hooked up or taken apart? Trying to cut down on how long our guys spend swapping out lines during maintenance windows.
Answer by: Customer Support on May 16, 2025, 4:09 PM
the Flexmaster sleeve connects and disconnects without tools. That's one of the main reasons folks reach for it in maintenance-heavy applications. No wrenches, no fuss, just a straightforward coupling that your crew can swap in and out quickly without a lot of downtime.
Question by: Travis E on Sep 30, 2025, 12:03 PM
need a sleeve fitting i can pull apart quick during maintenance, is this one tool-free or am i still gonna need wrenches
Answer by: Customer Support on Oct 1, 2025, 5:04 PM
Quick connects and disconnects without tools is one of the main features of this Flexmaster sleeve, so it is meant for service work where you need to separate and reconnect the line fast.