Designed for quick connection and disconnection in hydraulic tube and pipe joint applications, the Danfoss / Eaton Flexmaster - Code Fx is a hot rolled steel retainer that simplifies maintenance and reduces downtime in industrial equipment. Its construction is suited to absorb machine vibration, helping to maintain joint integrity in demanding service environments.
Manufactured under the Eaton Aeroquip Flexmaster sub-brand, this retainer carries a size 6 end configuration on both ports and is compatible with line, hose, and tube end connections. The hot rolled steel material provides durability appropriate for industrial hydraulic use.
SKU: NK1000023-600
Supplier Part Number (MPN): NK1000023-600
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Specifications
Alternate Part Numbers
Alternate Part NumberMINO-00925X07221
Brand
Danfoss Power Solutions (II LLC Aeroquip)
Brand
Aeroquip
Pack Size
1.00
UOM
EA
End Size 1
6
End Size 2
6
End Type 2
Line/Hose/Tube
Features
Quick connects and disconnects|Simplifies maintenance and repairs|Absorbs machine vibration
What kind of joints is this retainer actually built for? Got some tube and pipe connections on a piece of equipment I'm trying to sort out.
Answer by: Customer Support on Mar 31, 2026, 10:05 AM
Tube and pipe joint applications are exactly what it's made for. The Flexmaster Code FX works with line, hose, and tube end connections on both ports, so it covers a pretty broad range of connection types. Both ends are size 6, and the quick connect and disconnect design makes swapping things out a lot faster than dealing with traditional fittings.
Question by: Duane P on Oct 17, 2025, 10:26 AM
trying to swap out a retainer on a Flexmaster joint, is this the one with size 6 on both ends?
Answer by: Customer Support on Oct 19, 2025, 6:58 AM
It is a Flexmaster retainer with a size 6 end configuration on both ports, and it is meant for hydraulic tube and pipe joint applications.