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DANFOSS / EATON FLEXMASTER - CODE FX

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Description & Features

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

Specifications

Brand
Danfoss
Connection Size
S06
Connection Type
Tube
Fitting Type
Retainer
For Use With
6-5/8 in OD Pipes
Material
Nitrile
Material Construction
Buna-N
nmfc
50
Size
6 in

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DANFOSS / EATON FLEXMASTER - CODE FX

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DANFOSS / EATON FLEXMASTER - CODE FX

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DANFOSS / EATON FLEXMASTER - CODE FX

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Product Questions & Answers (2)

Question by: Johnny H on Mar 29, 2026, 6:35 PM
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.

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