Designed for tube and pipe joint connections in hydraulic and industrial systems, the Danfoss / Eaton Flexmaster - Code Fx is a carbon steel sleeve fitting that supports quick connect and disconnect functionality. This design simplifies maintenance and reduces downtime during routine servicing or component replacement.
With female-to-female end configuration and a size 3 designation on both ends, this Flexmaster sleeve accommodates line, hose, and tube connections at each port. The carbon steel construction provides reliable durability across typical hydraulic service conditions, while the sleeve's ability to absorb machine vibration helps protect connected components from stress and fatigue over time.
Supplied under the Aeroquip sub-brand, this fitting carries a standard lead time of 7 days and is sold individually.
SKU: NK1237-300B0650
Supplier Part Number (MPN): NK1237-300B0650
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Specifications
Alternate Part Numbers
Alternate Part NumberMINO-00925X14404
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
3
End Size 2
3
End Type 1
Line/Hose/Tube
End Type 2
Line/Hose/Tube
Features
Quick connects and disconnects|Simplifies maintenance and repairs|Absorbs machine vibration
If I'm getting some vibration in my hydraulic system, will this sleeve help cut down on that?
Answer by: Customer Support on Oct 2, 2025, 9:35 PM
Yes, this Flexmaster sleeve is designed to absorb machine vibration, which can help protect other connected components from stress and fatigue over time. That's a common reason folks use these.