DANFOSS / EATON FLEXMASTER - CODE FX

Description & Features

Designed for hydraulic tube and pipe joint applications, the Danfoss / Eaton Flexmaster - Code Fx is a carbon steel sleeve fitting that supports quick connection and disconnection in industrial fluid systems. Its construction helps absorb machine vibration, reducing stress on connected lines and simplifying routine maintenance and repairs without requiring specialized tooling.

This sleeve carries a size 6 designation on both ends, with female end configurations on each side suited for line, hose, or tube connections. Sold individually, it is part of the Aeroquip Flexmaster product family and is backed by Eaton's fluid compatibility and catalog documentation for reference during specification and installation planning.

SKU: NK1237-600B0650

Supplier Part Number (MPN): NK1237-600B0650

Specifications

Alternate Part Numbers
Alternate Part Number MINO-06199X16412
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
6
End Size 2
6
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
6.80
Sub Brand
Flexmaster
Supplier Part Number
NK1237-600B0650
Product Weight
5.90 lbs

Product Questions & Answers (1)

Question by: Eddie K on Feb 27, 2026, 2:26 PM
What kind of stuff is this sleeve made of?
Answer by: Customer Support on Feb 28, 2026, 7:23 PM
It's constructed from carbon steel, so it's durable for industrial applications.