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DANFOSS / EATON FLEXMASTER - CODE FX

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Description & Features

The Eaton Aeroquip Flexmaster Gasket - Code FX is constructed from Buna-N material, ensuring compatibility with a range of hydraulic fluids, as indicated by the fluid compatibility document. This gasket is suitable for use in minimum working temperatures down to -25 degrees.

With end sizes of 3.5 inches for both ends, this Flexmaster gasket is designed for line/hose/tube connections. This product is 5.17 inches in width.

SKU: NK1000063N350

Supplier Part Number (MPN): NK1000063N350

Specifications

Alternate Part Numbers
Alternate Part Number MINO-00925X14374
Brand
Danfoss Power Solutions (II LLC Aeroquip)
Brand
Aeroquip
Pack Size
1.00
UOM
EA
End Size 1
3.50
End Size 2
3.50
End Type 2
Line/Hose/Tube
ICC
Tube and Pipe Joints
Item Type
Flexmaster Gasket
Language
English
Minimum Working Temperature
-25
Net Pack Quantity Units
EA
NMFC
50
Product Material
Buna-N
Product Width
5.17
Supplier Part Number
NK1000063N350
Product Weight
0.36 lbs

Related Documents

Product Questions & Answers (2)

Question by: Gary F on Mar 5, 2026, 8:22 AM
got a flexmaster gasket job, both ends are 3.5. is NK1000063N350 the right size for that?
Answer by: Customer Support on Mar 6, 2026, 11:17 AM
The key callouts are End Size 1 = 3.5 and End Size 2 = 3.5, and it’s a Flexmaster gasket meant for line, hose, or tube connections. If your joint takes a 3.5 inch gasket on both ends, this one matches that sizing.
Question by: Neal Y on Oct 2, 2025, 8:53 PM
Got a 3.5 inch Flexmaster connection that needs a new gasket and I ain't sure this is the right one. What end sizes does this thing come in?
Answer by: Customer Support on Oct 4, 2025, 3:28 PM
Both ends on this gasket are sized at 3.5 inches, so if your connection is a standard 3.5 inch Flexmaster fitting on both sides, you're looking at the right part. It's built for line, hose, and tube connections, which covers most of the common setups you'd run into on hydraulic lines using that fitting style.